find acid ratio, show calculations please

\begin{tabular}{lrr|} \hline \multicolumn{3}{c}{ Assumptions } \\ & & \\ \hline Corporate tax rate & & \\ \hline Income Statement & & \\ \hline Sales & $ & 1,238.00 \\ Cost of goods sold & $ & 569.48 \\ Gross margin & $ & 668.52 \\ Sales, general, and administrative expense & $ & 127.02 \\ Depreciation expense & $ & 73.54 \\ EBIT & $ & 467.96 \\ Interest Expense & $ & 168.47 \\ EBT & $ & 299.50 \\ Taxes & $ & 62.89 \\ Earnings & $ & 236.60 \\ \hline \end{tabular}