On December 31, 2019, Asset acounts of Emad Company are only: Cash $29,600; Accounts Receivable $31,200; Supplies $4,000. also, on that date, the company had the following selected accounts: Service Revenue $34,000; Retained earnings$6,400; Salaries Expense $10,400; Supplies Expense $20,800. the total credit balances in post-closing trial balance of Emad company would be; of Select one: $6,400. Not determinable. $64,800. $34,000