\begin{tabular}{|l|r|} \hline \multicolumn{2}{|c|}{ MEGAFRAME COMPUTER COMPANY } \\ \hline \multicolumn{2}{|c|}{ Balance Sheet } \\ \hline \multicolumn{2}{|c|}{ As of December 31 } \\ \hline \multicolumn{2}{|c|}{} \\ \hline ASSETS & \\ \hline Cash & $50,000 \\ \hline Accounts receivable & 70,000 \\ \hline Inventory & 110,000 \\ \hline Net plant and equipment & 220,000 \\ \hline Total assets & $450,000 \\ \hline & \\ \hline LIABILITIES AND STOCKHOLDERS' EQUITY & \\ \hline Accounts payable & 570,000 \\ \hline Accrued expenses & 50,000 \\ \hline Long-term debt & 130,000 \\ \hline Common stock & 70,000 \\ \hline Paid-in capital & 40,000 \\ \hline Retained earnings & 90,000 \\ \hline Total liabilities and stockholders' equity & $450,000 \\ \hline \end{tabular} Refer to the tables above. Compute Megaframe's after-tax profit margin. 15.4% 57% 18.98% 13.206