Selected accounts of Al-Kazaz SjSC are shown below. Supplies Expense 7/31 800 Supplies 1,100 7/31 200 Salaries and Wages Payable 7/31 800 7/1 Bal 7/10 1,200 Accounts Receivable 620 7/31 7/31 Unearned Service Revenue 900 7/1 Bal. 7/20 1,500 750 Salaries and Wages Expense Service Revenue 7/15 1,200 7/14 2,000 7/31 1,200 7/31 900 7/31 620 Instructions After analyzing the accounts. Journalize (a) the July transactions and (b) the adjusting entries that were made on July 31