On January $1,2022,$ Vahsholtz Corporation purchased $5,000$ shares of treasury stock. Other information regarding Vahsholtz Corporation is provided as follows.

$\backslash$table$[[,2022,,2021],[$Net income,$$110,000,$$$100,000,],[$Dividends on preferred stock,$$30,000,$$$30,000,],[$Dividends on common stock,$$25,000,$$$20,000,],[$Weighted$-$average number of common shares outstanding,$45,000,50,000,],[$Common stockholders' equity beginning of year,$$750,000,$$$600,000,],[$Common stockholders' equity end of year,$$830,000,$$$750,000,],[,,,]]$

$($a$)$

Compute return on common stockholders' equity for each year. $($Round return on common stockholders' to $1$ decimal place, e$.$g$.10\mathrm{.}5.)$

$2022$

$2021$