As extra tariffs take impact on items imported into the U.S., a selected accounting technique may have main implications for a way American retailers calculate the affect.
A tariff provides to the price of an imported merchandise when it is obtained and paid for when it crosses a border. Whereas there’s debate over who pays that tariff — the producer, the retailer, the buyer or some mixture — the hit will probably present up in retailers’ backside traces.
However a selected accounting apply, referred to as retail stock technique accounting, or RIM, could make profitability seem stronger than it’s within the quick time period.
“Retail stock technique accounting (RIM) is much less conscious of preliminary product value adjustments in comparison with value accounting, and might initially overstate profitability,” mentioned Ali Furman, PwC U.S. shopper markets trade chief. “This is able to normalize as soon as tariffs stabilize, relying on how a lot of the fee retailers soak up.”
As a result of RIM makes use of a median cost-to-retail worth ratio throughout a broad group of things, reasonably than the precise value of each merchandise, like in value accounting, RIM doesn’t completely seize the speedy affect of rising prices.
The retail technique of accounting.
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Practically 1 / 4 of U.S. retailers use the retail stock technique of accounting, in accordance with PwC. Walmart, Goal and Dwelling Depot are amongst them. All three retailers report quarterly earnings this week, and their outcomes might not totally present how tariffs have minimize into their profitability to date.
Take Walmart, the biggest U.S. retailer, which is able to publish fiscal second-quarter earnings Thursday.
TD Cowen analyst Oliver Chen estimated about half of Walmart’s quarter will embody the affect of levies, as the corporate introduced in stock at completely different value ranges earlier than and after new tariff charges took impact. That might briefly distort gross margin profitability, Chen mentioned.
Walmart’s accounting has partially knowledgeable its technique in latest months because it navigates President Donald Trump‘s unpredictable tariff coverage.
Every week after Trump’s April 2 announcement of so-called “reciprocal tariffs” on a large swath of commerce companions, Walmart withdrew its steering for working earnings in its first fiscal quarter. Nonetheless, the corporate maintained its annual forecast, citing partially the affect of RIM accounting.
Walmart worker Dropping Spicer helps transport bikes on Friday, Dec. 8, 2023, in Conroe.
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Then when it reported its fiscal first-quarter earnings in Could, Walmart mentioned it will mitigate larger prices as a lot as attainable, however would probably have to extend some costs on the present tariff charges.
In response, Trump wrote on his Reality Social platform that Walmart ought to “simply eat” the tariffs.
Doing so may truly profit a retailer’s backside line, a minimum of initially, in accordance with Furman.
“The extra prices retailers soak up in retail accounting, the better the chance of overstating profitability during times of accelerating prices, reminiscent of tariff will increase,” she mentioned.
Walmart administration briefed Trump this spring concerning the affect its accounting technique might have on ends in a high-tariff setting, in accordance with an individual acquainted with the dialogue, who requested to stay unnamed whereas talking about personal conversations.
Nonetheless, James Bowie, managing director in EY’s technical accounting advisory group, warned “all the stock costing methodologies will probably be affected in some methods.”
An worker folds towel at a Manhattan retail retailer on July 15, 2025 in New York Metropolis.
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It usually takes a big, non-fast trend retailer utilizing RIM roughly two to 4 quarters for value volatility to settle and profitability to get nearer to its true stage, in accordance with PwC. The strategy may make profitability look larger initially, then decrease in a subsequent quarter, earlier than it has time to stabilize.
“It is form of such as you’ve bought a pace boat on the value,” he mentioned. “I can flip fairly rapidly, however I’ve bought a cruise liner that’s carrying all my common of my stock. It takes somewhat longer for it to show and so though they may finally have the ability to go the identical pace, it takes somewhat little bit of time for that one flip to happen.”
Whereas RIM is extra prone to result in a brief overstating of profitability, it might additionally wind up understanding income if tariffs are negotiated decrease.
Bowie mentioned if a retailer responds to decrease tariff charges by slicing retail costs, below RIM accounting, “it seems to be like my margin has eroded, however it’s solely as a result of I now am ready for the fee relationship to catch again up, so [it] would possibly appear to be there’s margin compression even in a interval of lowering tariffs.”
Furman added that PwC is seeing “a transparent disconnect” for firms that use RIM accounting.
“Firms could be doing all the best issues: navigating sourcing challenges, managing suppliers, and even mitigating tariffs,” she mentioned. “However, these efforts usually aren’t mirrored within the financials. That misalignment between operational execution and reporting for these utilizing RIM is exacerbating the challenges retailers face.”
Why use RIM?
The retail stock technique of accounting is an older technique that was most helpful for retailers after they had many objects from a spread of classes with out a simple, or technological, method to monitor stock.
“Stock accounting strategies existed earlier than this factor referred to as Excel,” mentioned Bowie. “[A retailer] had an abacus and a dream attempting to determine what you are going to do.”
Over time, expertise made it simple to make use of precise prices reasonably than averages, so value accounting turned extra frequent.
Folks store at Macy’s division retailer in Manhattan in New York Metropolis, U.S., August 11, 2025.
Eduardo Munoz | Reuters
As retailers develop and accounting strategies turn out to be ingrained, it is tough, although not not possible, to change ways. Macy’s and Nordstrom lately made the change to value accounting.
PwC mentioned it takes a median of two to a few years to make the transition from one accounting technique to a different and might require thousands and thousands of {dollars} and a restatement of earlier years’ financials to supply apples-to-apples comparisons. Nonetheless, the accounting agency mentioned about half of shops that use RIM have thought-about switching.
A case research
CNBC labored with PwC’s Furman and Suni Shamapande, the agency’s U.S. retail buyer expertise and operations chief, to develop a simplified instance demonstrating the distinction between RIM and weighted common value accounting in how they have an effect on gross revenue margins.
The instance demonstrates how RIM accounting can “overstate” true profitability at a second in time when prices enhance rapidly.
Listed gross revenue margin can change primarily based on accounting strategies in numerous tariff eventualities.
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For the needs of this instance, PwC and CNBC used weighted common value accounting, which takes a SKU-level weight common and blends all prices collectively, no matter buy date. A SKU is a stock-keeping unit, which retailers use to trace stock of particular objects.
Base case: No tariffs
The bottom case, which doesn’t embody tariffs, makes use of three completely different T-shirts sorts from three completely different nations. Every kind of T-shirt, or particular person SKU, has a special value and is offered to customers at a special retail worth. The retailer purchased every kind of T-shirt in numerous portions, as did customers.
This is how the maths differs to start out.
The gross revenue margin for the objects calculated utilizing weighted common value accounting is 46%. Utilizing RIM, it is 53%.
The retail accounting mannequin with no tariffs.
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Tariff case 1: Retailer’s prices enhance, all else stays the identical
If the retailer’s value for every T-shirt goes up on account of tariffs, however every little thing else — models purchased, models offered and retail worth — stays the identical, gross margin falls if calculated utilizing value accounting and RIM. However it will nonetheless be larger below RIM than if the corporate used value accounting.
This is the maths for our simplified instance:
The retail accounting technique if the retailer’s prices enhance however costs and demand keep the identical.
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Tariff case 2: Retailer raises costs to offset larger prices
If the retailer passes on the total greenback worth of the tariff value to the client, and models purchased and offered keep the identical, gross margin improves below each accounting strategies.
In our instance, it goes to 36% in value accounting and 47% with RIM.
The retail accounting mannequin if prices enhance, the retailer raises costs and models offered keep the identical.
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Each gross margin percentages are decrease than the bottom case, which assumes no tariffs, however the proportion change is smaller below RIM than below value accounting.
Tariff case 3: Retailer raises costs and models purchased and offered each fall
This is the place it will get attention-grabbing, and certain extra life like, to replicate provide and demand decisions a retailer and shopper would probably make as prices rise.
If the retailer passes on the total greenback worth of tariffs to the client and likewise sells fewer objects to customers on the larger retail worth, RIM makes revenue margins look briefly rosier.
Gross margin in our instance falls to 27% below value accounting, however holds regular below RIM at 47% though models offered have modified.
This is the place you see how the ratio of value of products offered to promoting worth hasn’t had time to regulate.
The retail accounting technique if a retailer raises costs and the models purchased and offered each fall.
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— CNBC’s Jodi Gralnick contributed to this report.