$\backslash$table$[[,2022,2021],[$Net sales,$202,],[$Cost of goods sold,$719,000,659,000],[$Interest expense,$34,000,29,000],[$Net income,$168,597,159,000],[$Accounts receivable,$159,000,139,000],[$Inventory$,119,000,114,000],[$Total assets,$799,000,700,000],[$Preferred stock $(6\%),219,000,200,000],[$Total stockholders' equity,$649,000,525,000]]$

Compute the following ratios for $2022.($Round answers to $1$ decimal place, e$.$g$.1\mathrm{.}8$ or $2\mathrm{.}5\%)$

$($a$)$ Profit margin

$($b$)$ Asset turnover

$\%$

$$ times

$($c$)$ Return on assets $\%$

$($d$)$ Return on common stockholders' equity $\%$