Vera Ernst is a licensed dentist. During the first month of the operation of her business, the following events and transactions occurred. April 1 Invested $18,000 cash in her business. 1 Hired a secretary-receptionist at a salary of $500 per week payable monthly. 2 Paid office rent for the month $1,100. 3 Purchased dental supplies on account from Dazzle Company $4,200. 10 10 Performed dental services and billed insurance companies $4,700. 11 Received $1,400 cash advance from Leah Mataruka for an implant. 20 Received $2,100 cash for services performed from Michael Santos. 220 30 Paid secretary-receptionist for the month $2,000. 30 Paid $2.720 to Dazzle for accounts payable due.