13. In the worksheet's unadjusted trial balance column, prepaid insurance is $5,000; however, prepaid insurance in the balance sheet column is $3,500. O a. a $1,500 debit entry to Insurance Expense in the worksheet's adjustments column O b. a $1,500 credit entry to Insurance Expense in the worksheet's adjustments column Oc. a $1,500 credit entry to Premium Revenue in the worksheet's adjustments column Od. a $1,500 debit entry to Prepaid Insurance in the worksheet's adjustments column