Transactions Obj. 4 The following selected transactions were completed by Cota Delivery Service during July: 1. Received cash in exchange for common stock, $35,000. 2. Purchased supplies for cash, $1,100. 3. Paid rent for October, $4,500. 4. Paid advertising expense, $900. 5. Received cash for providing delivery services, $33,000. 6. Billed customers for delivery services on account, $58,000. 7. Paid creditors on account, $2,900. 8. Received cash from customers on account, $27,500. 9. Determined that the cost of supplies on hand was $300 and $8,600 of supplies had been used during the month.