Excom selis radios and each unit carries a 2-year replacement warranty. The cost of repair diefects under the warranty is estimated at 5% of the sales price: During September, Excom seils 12.9 radios for $54 each. One radio is actually replaced during September. For what amount in Septetinber mauld Excom debit Product Warranty Expense? (Round your answer to the nearest dollar.) a. 534K b. 530 c. 554 d. $870