The Following Are All of the Accounts of Flaherty Company

The following are all of the accounts of Flaherty Company that have a balance at the end of August.All accounts have normal balances:
$\begin{array}{|l|r|l|r|}\hline\text { Accounts receivable } & \$ 36,000 & \text { Cash } & \$ 27,000 \\\hline \text { Equipment } & 59,000 & \text { Advertising expense } & 5,000 \\\hline \text { Service revenues earned } & 75,000 & \text { Accounts payable } & 31,000 \\\hline \text { Rent expense } & 3,600 & \text { Dividends } & 24,000 \\\hline \text { Office supplies } & 1,500 & \text { Salaries expense } & 30,000 \\\hline \text { Notes payable } & 22,000 & \text { Common stock } & 20,000 \\\hline & & \text { Retained earnings } & 58,100\\\hline\end{array}$
a. Calculate net income
b. Determine the amount of retained earnings to be shown on the August 31 balance sheet.