The following T-accounts summarize the ledger of Concord Corporation at the end of its first month of operations. 4/1 4/12 4/29 4/30 4/7 Cash No. 101 13,900 4/15 820 990 4/25 1,080 320 2,450 Accounts Receivable No. 112 3,100 4/29 320 Supplies No. 126 4/4 3,510 Accounts Payable No. 201 4/25 1,080 4/4 3,510 Unearned Service Revenue No. 209 4/30 2,450 Common Stock No. 311 4/1 13,900 Service Revenue No. 400 4/7 3,100 4/12 990 Salaries and Wages Expense No. 726 4/15 820