SLO Health Care Inc. is owned and operated by Morgan Denby, the sole stockholder. During January 20Y6, SLO Health Care entered into the following transactions: Jan. 1 Received $13,500 from Glenn Company as rent for the use of a vacant office in SLO Health Care's building. Glenn paid the rent nine months in advance. 1 Paid $3,000 for a one-year general insurance business policy. 6 Purchased supplies of $900 on account. 9 Collected $16,000 for services provided to customers on account. 11 Paid creditors $2,500 on account. 18 Invested an additional $5,000 in the business in exchange for common stock. 20 Billed patients $26,000 for services provided on account. 25 Received $7,500 for services provided to customers who paid cash. 30 Paid expenses as follows: wages, $15,500 utilities, $4,250 rent on medical equipment, $2,650 interest, $100 and miscellaneous, $1,500. 30 Paid dividends of $4,000 to stockholder (Dr. Denby)