Bustamante Company has income from operations of $$53,970,$ invested assets of $$257,000,$ and sales of $$539,700.$ Use the DuPont formula to compute the return on investment and show $($a$)$ the profit margin, $($b$)$ the investment turnover, and $($c$)$ the return on investment. If required, round your answers to two decimal places.

a$.$ Profit margin fill in the blank $1$

$\%$

b$.$ Investment turnover fill in the blank $2$

c$.$ Return on investment fill in the blank $3$

$\%$