ulia Dumars is a licensed CPA. During the first month of operations of her business, Julia Dumars, Inc., the following events and transactions occurred May 1 Stockholders invested $21,100 cash in exchange for common stock. 2 Hired a secretary-receptionist at a salary of $1,600 per month. 3 Purchased $2,300 of supplies on account from Vincent Supply Company. 7 Paid office rent of $810 cash for the month 11 Completed a tax assignment and billed client $3,500 for services performed 12 Received $2,900 advance on a management consulting engagement. 17 Received cash of $1,800 for services performed for Orville Co. 31 Paid secretary-receptionist $1,600 salary for the month 31 Paid 40% of balance due Vincent Supply Company. ulia uses the following chart of accounts: No. 101 Cash, No. 112 Accounts Receivable, No. 126 Supplies, No. 201 Accounts Payable, No. 209 Unearned Service Revenue, No. 311 Common Stock, No. 400 Service Revenue, No. 726 Salaries and Wages Expense, and No. 729 Rent Expense