Please help with questions 3 & 4!

1) Calculate Gross Margin for year X in a in Yellow. 2) Calculate Operating Margin for year X in b in Yellow. Fivs Moke sure you have revewed ail of the information and exampies provided obout Financiaristote 3) Use the solver to calculate what Cost of Sales has to be to hit a 31% Gross Marrin. Enter that number in cin yellow 4) Management want to reduce S\&GA. How much do they fiave to save to hit a 15% Operating Margin. Enter that number in d in yelfow \begin{tabular}{|l|c|} \hline 55 & Less: Accumulated Depreciation \\ \hline 56 & Net Property Plant and Equipment \\ \hline 57 & \end{tabular} 58 Intangible Assets Less Amortization \begin{tabular}{l|l} 59 & \\ 60 & Total Assets \\ 61 & \\ 62 & UABILITIES \\ 63 & \end{tabular} \begin{tabular}{l|l} 63 & \\ 64 & Current Liabilities \\ \hline 65 \end{tabular} \begin{tabular}{|l|l|l|} \hline 64 & Current Liabilities \\ \hline 65 & Accounts Pa \\ \hline 66 & Notes Payab & Accrued Exp \\ \hline 67 & Income Taxe \\ \hline 68 & Other Curret \\ \hline 69 & \\ \hline 70 & Total Current Liabilities \\ \hline 71 & \end{tabular} \begin{tabular}{|l|l|} \hline 72 & Long Term Liabilities \\ \hline 73 & Deferred income \\ \hline 74 & Unsecured Debent \\ \hline 75 & Other Long term \\ \hline 76 & Total Long Term Liabilities \\ \hline 77 & \\ \hline 78 & TOTAL UABIUITIES \\ \hline 79 & \\ \hline 80 & SHAREHOLDERS EQUITY \\ \hline 81 & \\ \hline 82 & Preferred Stock \\ \hline 83 & Common Stock \\ \hline 84 & Additional Paid in Capital \\ \hline 85 & Retained Earnings \\ \hline 86 & Lers: Treasury Stock \\ \hline 87 & TOTAL SHAREHOLDERS EQUITY \\ \hline 88 & \end{tabular} 89 TOTAL LAB AND SHAREHLDR EQTY 90 91 92 92 Serendipity Manufacturing Co, Inc Consolidated Balance Sheet A Serendipity Manufacturing Co, Inc Consolidated Balance Sheet