Med Labs has the following December 31 year-end unadjusted balances: Allowance for Sales Discounts, $0; and Accounts Receivable, $7,000. Of the $7,000 of receivables, $2,000 are within a 3% discount period, meaning that it expects buyers to take $60 in future- period discounts arising from this period's sales. a. Prepare the December 31 year-end adjusting journal entry for future sales discounts. b. Assume the same facts above and that there is a $15 year-end unadjusted credit balance in Allowance for Sales Discounts. Prepare the December 31 year-end adjusting journal entry for future sales discounts. View transaction list Journal entry worksheet 1 2 > Record the adjusting journal entry for future sales discounts. Note: Enter debits before credits. Date General Journal Debit Credit Dec 31 Record entry Clear entry View general Journal c. Is allowance for sales discounts a contra asset or a contra liability account? O A contra liability account O A contra asset account