xcom sells radios and each unit carries a 2 -year replacement warranty. The cost of repair defects under the warranty is estimated at 5% of the saies price. During September, Excom sells 186 radios for $40 each. One radio is actually replaced durino September. For what amount in September would Excom debit Product Warranty Expense? (Round jour answer to the nearest dollar.) a. $40 b. $4.278 c. 523 d. $372