What is the ROA of a firm with $$150,000$ in average receivables, which represents $60$ days sales,

average assets of $$750,000,$ and a profit margin of $9\%?$

A$.7\mathrm{.}50\%$

B$.9\mathrm{.}00\%$

C$.10\mathrm{.}95\%$

D$.16\mathrm{.}70\%$