7. During Browne Company's first year of operations, credit sales totaled $250,000 and collections on credit sales totaled $155,000. Brown estimates that $2,000 of its ending accounts receivable balance will not be collected. By year-end, Browne had written off $750 of specific accounts as uncollectable. a) Prepare all approprite journal entries relative to uncolectible accounts and bad debt expense. b) Show the year-end balance sheet presentation for accounts receivable.