At June 30, 2022, the end of its most recent fiscal year, Green River Computer Consultants' post-closing trial balance was as follows: Cash Accounts receivable Supplies Accounts payable Unearned service revenue Owner's capital Debit Credit $5,230 1,200 690 $400 1,120 5,600 $7,120 $7,120 The company underwent a major expansion in July. New staff was hired and more financing was obtained. Green River conducted the following transactions during July 2022, and adjusts its accounts monthly." July Purchased equipment, paying $4,000 cash and signing a 2-year note payable for $20,000. The equipment has a 4-year useful life. The note has a 6% interest rate which is 10 Collected $1,200 cash on account from Milani Brothers. This client was billed in June when Green River performed the service. 13 Performed services for Fitzgerald Enterprises. This client paid $1,120 in advance last month. All services relating to this payment are now completed. 14 Paid $400 cash for a utility bill. This related to June utilities that were accrued at the end of June. 16 Met with a new client, Thunder Bay Technologies. Received $12,000 cash in advance for future services to be performed. Adjustment data: 3. Supplies used, $1,250. 4. Equipment depreciation, $500 per month. | Required: c. Post to the ledger accounts. d. Prepare a trial balance at July 31