10+ How To Calculate Imu. To calculate imu, add these percentage figures, then divide the total by the markdown percent plus 100:. Markup is the amount added to the cost price of a product, in order to set the sale price to the end consumer.

(imu) is the internal markup (%) (c) is the internal cost ($) (sp) is the internal. Calculate the imu percentage by subtracting the cost from the sales price, then multiplying by. Initial retail markup, or imu, is the price of an item upon its arrival at the store.








