Excom sells radios and each unit carries a two-year replacement warranty. The cost of repair defects under the warranty is estimated at 5% of the sales price. During September, Excom sells 137 radios for $45 each. One radio is actually replaced during September. For what amount in September would Excom debit Product Warranty Expense? Oa. $308 Ob. $26 Oc. $45 Od. $3,562