Marwick$$s Pianos, Incorporated, purchases pianos from a manufacturer for an average cost of $$1,488$ per unit and then sells them to retail customers for an average price of $$2,300$ each. The company$$s selling and administrative costs for a typical month are presented below:

Costs Cost Formula

Selling:

Advertising $$945$ per month

Sales salaries and commissions $$4,822$ per month, plus $6\%$ of sales

Delivery of pianos to customers $$61$ per piano sold

Utilities $$636$ per month

Depreciation of sales facilities $$5,063$ per month

Administrative:

Executive salaries $$13,467$ per month

Insurance $$686$ per month

Clerical $$2,546$ per month, plus $$37$ per piano sold

Depreciation of office equipment $$927$ per month

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

Required: