Follies Bookstore,the Only Bookstore Close to Campus,had Net Income in 2015

Follies Bookstore,the only bookstore close to campus,had net income in 2015 of $90,000.Here are some of the financial ratios from the annual report.
$\begin{array}{ll}\text { Profit Margin } & 12 \% \\\text { Return on Investment } & 20 \% \\\text { Debt to Asset Ratio } & 55 \%\end{array}$
Using these ratios, calculate the following for Follies Bookstore:
A) Sales
B) Total assets
C) Total asset turnover
D) Total debt
E) Shareholders' equity
F) Return on equity