Lee Chang opened Sandhill's Window Washing on July 1, 2021. In July, the following transactions were completed: July 1 Invested $30,000 cash in the business. 1 Purchased a used truck for $25,200, paying $5,200 cash and signing a note payable for the balance. 1 Paid $2,800 on a one-year insurance policy, effective July 1. 5 Billed customers $4.100 for cleaning services. 12 Purchased supplies for $2,080 on account. 18 Paid $3.000 for employee salaries. 25 Billed customers $9.000 for cleaning services, 28 Collected $4,100 from customers billed on July 5. 31 Paid $550 for repairs on the truck. 31 Withdrew $1.900 cash for personal use. (b) Prepare a trial balance at July 31. SANDHILL'S WINDOW WASHING Trial Balance July 31, 2021 Debit Credit Cash $ $ V