Marwick's Pianos, Incorporated, purchases pianos from a manufacturer for an average cost of $$1,514$ per unit and then sells them to retail customers for an average price of $$3,200$ each. The company's selling and administrative costs for a typical month are presented below:

$\backslash$table$[[$Costs$,$Cost formula$],[$Selling:$,],[$Advertising$,$$$958$ per month$],[$Sales salaries and commissions,$$4,815$ per month, plus $5\%$ of sales$],[$Delivery of pianos to customers,$\backslash$table$[[$$$61$ per piano sold$],[$Utilities$]]],[$Depreciation of sales facilities,$$4,966$ per month$],[$Administrative:$,],[$Executive salaries,$$13,451$ per month$],[$Insurance$,$$$692$ per month$],[$Clerical$,$$$2,542$ per month, plus $$42$ per piano sold$],[$Depreciation of office equipment,$$869$ per month$]]$

During August, Marwick's Pianos, Incorporated, sold and delivered $57$ pianos.Marwick's Pianos, Incorporated, purchases pianos from a manufacturer for an average cost of $$1,514$ per unit and then sells them to retail customers for an average price of $$3,200$ each. The company's selling and administrative costs for a typical month are presented below:

$\backslash$table$[[$Costs$,$Cost formula$],[$Selling:$,],[$Advertising$,$$$958$ per month$],[$Sales salaries and commissions,$$4,815$ per month, plus $5\%$ of sales$],[$Delivery of pianos to customers,$\backslash$table$[[$$$61$ per piano sold$],[$Utilities$]]],[$Depreciation of sales facilities,$$4,966$ per month$],[$Administrative:$,],[$Executive salaries,$$13,451$ per month$],[$Insurance$,$$$692$ per month$],[$Clerical$,$$$2,542$ per month, plus $$42$ per piano sold$],[$Depreciation of office equipment,$$869$ per month$]]$

During August, Marwick's Pianos, Incorporated, sold and delivered $57$ pianos.