1. Use the data provided to compute net sales for 2019.
2. Compute the gross margin for 2019.
3. Compute the gross profit margin ratio (rounded to nearest hundredth).

NINO'S PIZZERIA Adjusted Trial Balance Year Ended December 31, 2019 \begin{tabular}{|c|c|c|} \hline & Debit & Credit \\ \hline Cash & $775,984 & \\ \hline Accounts Receivable & 45,688 & \\ \hline Buildings & 200,460 & \\ \hline Merchandise Inventory & 135,624 & \\ \hline Accounts Payable & & $437,880 \\ \hline Common Stock & & 410,542 \\ \hline Sales & & 555,696 \\ \hline Interest Revenue & & 84,652 \\ \hline Rent Revenue & & 86,900 \\ \hline Sales Salaries Expense & 24,500 & \\ \hline Office Supplies Expense & 6,270 & \\ \hline Sales Discounts & 102,890 & \\ \hline Interest Expense & 4,577 & \\ \hline Sales Returns and Allowances & 105,854 & \\ \hline Cost of goods sold & 122,853 & \\ \hline Rent Expense & 20,000 & \\ \hline Depreciation Expense: Office Equipment & 10,555 & \\ \hline Insurance Expense & 2,780 & \\ \hline Advertising Expense & 17,635 & \\ \hline Totals & $1,575,670 & $1,575,670 \\ \hline \end{tabular}