please help with the few remaining missing boxes

Sales Cost of goods sold Gross margin Selling and administrative expenses: Selling expenses: \begin{tabular}{lr} Advertising & 1,000 \\ Delivery of pianos & 2,800 \\ Sales salaries \& commissions & 5,000 \\ Utilities & 650 \\ Depreciation of sales facilities & 5,000 \\ \hline Total selling expenses & \\ Administrative expenses: & 14,000 \\ Executive salaries & 900 \\ Depreciation of office equipment & 2,000 \\ Clerical & 700 \\ \hline Insurance & \\ \hline Total administrative expenses & \\ \hline \end{tabular} Total selling and administrative expenses Net operating income MERCURY PIANOS, INC. Contribution Format Income Statement For the Month Ended April 30 Sales $192,500Total$PerPiano5,500 Variable expenses: Cost of goods sold Delivery of pianos Sales commissions 2,8009,62580275 Clerical Total variable expenses Contribution margin Fixed expenses: Advertising Sales salaries Utilities Depreciation of sales facilities Executive salaries Depreciation of office equipment Clerical Insurance Total fixed expenses Net operating income MERCURY PIANOS, INC. Average sales price of each piano $5,500 Number of pianos sold and delivered in April Costs Cost Formula Average cost of each piano (cost of goods sold) \$3,200 per piano Selling: AdvertisingDeliveryofpianosSalessalariesandcommissionsUtilitiesDepreciationofsalesfacilitiesAdministrative:ExecutivesalariesDepreciationofofficeequipmentClericalInsurance$1,000permonth$80perpianosold$5,000permonthplus5%ofsalesdollars$5650permonth$5,000permonth$14,000permonth$900permonth$2,000permonthplus$25perpianosold$700permonth