Hex Corporation Showed the Following Amounts in the Equity Section

Hex Corporation showed the following amounts in the equity section of its balance sheet at January 1, 2021:
$\begin{array}{|l|r|}\hline \text { Preferred Shares, } \$ 2 \text { cumulative (in arrears for 2020), 10,000 shares issued } & \$ 500,000 \\\hline \text { Common shares } 40,000 \text { shares issued } & \$ 800,000 \\\hline \text { Retained Earnings } & \$ 500,000 \\\hline\end{array}$
In 2021: On Jan. 20, 2021, 10,000 common shares were issued for $150,000. On Nov. 1, 2021, Cash dividends of $90,000 were declared. Dividends will be paid on January 18, 2022. On Dec. 31, 2021 Hex reported revenues of $150,000 and expenses of $80,000 for the year.

-What is the average issue price per common share for 2021?