What is the preliminary net income of this? (& steps so I can understand it) Thank you!

Credit No Transaction 1 General Journal Cash Notes Payable (short-term) Debit 680,000 680,000 2 31,500 Equipment Cash 31,500 3 C. 17,600 Supplies Accounts Payable 17,600 28,400 Repairs and Maintenance Expense Cash 28,400 5 e . 77,500 Cash Deferred Revenue 77,500 = 6 f. 87,000 Cash Service Revenue 87,000 7 g. 525 Cash Deferred Revenue 525 - 8T h 8,800 Accounts Payable Cash 8,800 24,900 Salaries and Wages Expense Cash 24,900