i didnt undersrand this table its confusing please help

[The following information applies to the questions displayed below) The following transactions occur for the Wolfpack Shoe Company during the month of June; a. Provide services to customers for $28,000 and receive cash. b. Purchase office supplies on account for $18,000. c. Pay $6,600 in salaries to employees for work performed during the month. 3. Post the transactions to T-accounts. Assume the opening balance in each of the accounts is zero. Cash Service Revenue Beg Bal. (a) Bog. Bal End. Bal 0 End. Bal Supplies Accounts Payable Beg. Bal. Beg. Bal End. Bal End. Bol Salaries Expense Beg Bal. 8