Hart, Attorney at Law, experienced the following transactions in Year 1, the first year of operations: Accepted $17,200 on April 1, Year 1, as a retainer for services to be performed evenly over the next 12 months. Performed legal services for cash of $67,000. Purchased $1,100 of office supplies on account. Paid $990 of the amount due on accounts payable. Paid a cash dividend to the stockholders of $5,700. Paid cash for operating expenses of $21,100