Prepare a post-closing trial balance at July 31 . Mike Greenberg opened Flounder Window Washing Inc. on July 1, 2022. During July, the following transactions were completed. July 1 Issued 10,100 shares of common stock for $10,100 cash. 1 Purchased used truck for $6,720, paying $1,680 cash and the balance on account. 3 Purchased cleaning supplies for $760 on account. 5 Paid \$1,560 cash on a 1-year insurance policy effective July 1. 12 Billed customers $3,110 for cleaning services performed. 18 Paid $840 cash on amount owed on truck and $420 on amount owed on cleaning supplies. 20 Paid $1,680 cash for employee salaries. 21 Collected $1,340 cash from customers billed on July 12 . 25 Billed customers $2,100 for cleaning services performed. 31 Paid $240 for maintenance of the truck during month. 31 Declared and paid $500 cash dividend, The chart of accounts for Flounder Window Washing contains the following accounts: Cash, Accounts Receivable, Supplies, Prepaid Insurance, Equipment, Accumulated Depreciation-Equipment, Accounts Payable, Salaries and Wages Payable, Common Stock. Retained Earnings, Dividends, Income Summary, Service Revenue, Maintenance and Repairs Expense, Supplies Expense, Depreciation Expense, Insurance Expense, and Salaries and Wages Expense