Exercise 5-20B Recording estimates of future discounts LO P6 Med Labs has the following December 31 year-end unadjusted balances: Allowance for Sales Discounts, \$0; and Accounts Recelvable, $6,600. Of the $6,600 of recelvables, $1,800 are within a 3% discount period, meaning that it expects buyers to take $54 in futureperiod 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 $9 year-end unadjusted credit balance in Allowance for Sales Discounts. Prepare the December 31 year-end adjusting journal entry for future sales discounts. Journal entry worksheet 2 a. Record the adjusting journal entry for future sales discounts. Note: Enter debits before credits