The balance in the prepaid insurance account, before adjustment at the end of the year, is $16,950. Journalize the adjusting entry required under each of the following alternatives for determining the amount of the adjustment: a. The amount of insurance expired during the year is $12,880. If an amount box does not require an entry, leave it blank. b. The amount of unexpired insurance applicable to future periods is $4,070. If an amount box does not require an entry, leave it blank