Ricon Company Had the Following Data Available from the Statements

Ricon Company had the following data available from the statements of financial position and income statements: $$\begin{array}{l}\begin{array} { | l | r | r | } \hline \text { Current assets: } &20X2&20X3 \\\hline \text { Trade receivables } & \$ 4 , 0 0 0 & 6 , 0 0 0 \\\hline \text { Cash } & 7,000 & 8,000 \\\hline \text { Inventory } & 10,000 & 12,000 \\\hline \text { Total assets } & 50,000 & 60,000 \\\hline \text { Current liabilities } & 15,000 & 20,000 \\\hline \text { Shareholders' equity: } & & \\\hline \text { Common stock, par \$5 } & 20,000 & 20,000 \\\hline \text { Retained earnings (including profit for 20X2 and } & 6,000 & 11,000 \\ \text { 20X3, respectively) } & & \\\hline \text { Total sales revenue } & 80,000 &100,000 \\\hline \text { Credit sales } & 26,000 & 30,000 \\\hline \text { Cost of goods sold } & 60,000 & 80,000 \\\hline \text { Income (before taxes) } & 5,000 & 7,000 \\\hline \text { Income tax (20\%) } &1,000 &1,400 \\\hline\end{array}\\\\\begin{array} { | l | l | l | l | } \hline & \text { Ratio } & 20X2 & 20X3 \\\hline \text { a. } & \text { Current ratio } & & \\\hline \text { b. } & \text { Quick ratio } & & \\\hline \text { c. } & \text { Earnings per share of common stock } & & \\\hline\end{array}\end{array}$$