Supply the missing dollar amounts for the income statement of Willamson Company for each of the following independent cases: \begin{tabular}{|c|c|c|c|c|c|} \hline & \multicolumn{2}{|c|}{ Case A } & \multicolumn{2}{|c|}{ Case B } & \multirow{2}{*}{ Case C } \\ \hline Sales Revenues, gross & s & 8,200 & $ & 6,160 & \\ \hline Sales Returns and Allowances & & 170 & & & 285 \\ \hline Net Sales & & - & & & 5,960 \\ \hline Cost of Goods Sold & & 5,850 & & 4,130 & 5,420 \\ \hline Gross Profit & & & & 1,470 & \\ \hline \end{tabular}