Excerpts from Ruden Corporation's Most Recent Balance Sheet Appear Below

Excerpts from Ruden Corporation's most recent balance sheet appear below:
$\begin{array}{lrr}&\text { Year 2 } & \text { Year 1 } \\\text {Preferred stock }&\$ 200,000 & \$ 200,000 \\\text {Common stock }&400,000 & 400,000 \\\text {Additional paid-in capital--common stock }&450,000 & 450,000 \\\text {Retained earnings }&470,000 & 430,000 \\\hline\text {Total stockholders' equity }&\$ 1,520,000 & \$ 1,480,000 \\\end{array}$

Net income for Year 2 was $102,000.Dividends on common stock were $47,000 in total and dividends on preferred stock were $15,000 in total.

Required:
Compute the return on common stockholders' equity.Show your work!