Laura Morrow operates Wildhorse Riding Academy, Inc. The academys primary sources of revenue are riding fees and lesson fees, which are provided on a cash basis. Laura also boards horses for owners, who are billed monthly for boarding fees. In a few cases, boarders pay in advance of expected use. For its revenue transactions, the academy maintains these accounts: Cash, Accounts Receivable, Unearned Service Revenue, and Service Revenue. The academy owns 10 horses, a stable, a riding corral, riding equipment, and office equipment. These assets are accounted for in the following accounts: Horses, Buildings, and Equipment. The academy employs stable helpers and an office employee, who receive weekly salaries. At the end of each month, the mail usually brings bills for advertising, utilities, and veterinary service. Other expenses include feed for the horses and insurance. For its expenses, the academy maintains the following accounts: Supplies, Prepaid Insurance, Accounts Payable, Salaries and Wages Expense, Advertising Expense, Utilities Expense, Maintenance and Repairs Expense, Supplies Expense, and Insurance Expense. Lauras sole source of personal income is dividends from the academy. Thus, the corporation declares and pays periodic dividends. To account for stockholders equity in the business and dividends, two accounts are maintained: Common Stock and Dividends. During the first month of operations, an inexperienced bookkeeper was employed. Laura asks you to review the following eight entries of the 50 entries made during the month. In each case, the explanation for the entry is correct.

May 1		Cash		17,700
		Unearned Service Revenue				17,700
		(Issued common stock in exchange for $17,700 cash)
5		Cash		300
		Service Revenue				300
		(Received $300 cash for lesson fees)
7		Cash		590
		Service Revenue				590
		(Received $590 for boarding of horses beginning June 1)
9		Supplies Expense		1,770
		Cash				1,770
		(Purchased estimated 5 months supply of feed and hay for $1,770 on account)
14		Equipment		90
		Cash				900
		(Purchased desk and other office equipment for $900 cash)
15		Salaries and Wages Expense		470
		Cash				470
		(Issued check to Laura Morrow for personal use)
20		Cash		173
		Service Revenue				182
		(Received $182 cash for riding fees)
31		Maintenance and Repairs Expense		90
		Accounts Receivable				90
		(Received bill of $90 from carpenter for repair services performed)

Answer the following.

(a1)

For each journal entry that is correct, so state.

Date
May	1		select between correct and incorrect Correct Incorrect
May	5		select between correct and incorrect Incorrect Correct
May	7		select between correct and incorrect Incorrect Correct
May	9		select between correct and incorrect Correct Incorrect
May	14		select between correct and incorrect Incorrect Correct
May	15		select between correct and incorrect Incorrect Correct
May	20		select between correct and incorrect Correct Incorrect
May	31		select between correct and incorrect Correct Incorrect