Some of this is incorrect, please check my work. Thanks in advance!

Marwick's Pianos, Inc., purchases pianos from a large manufacturer for an average cost of $2,450 per unit and then sells them to retail customers for an average price of $3,125 each. The company's selling and administrative costs for a typical month are presented below: cost Formula Costs Selling: Advertising Sales salaries and commissions Delivery of pianos to customers Utilities Depreciation of sales facilities $700 per month $950 per month, plus 8% of sales $30 per piano sold $350 per month $800 per month Administrative: Executive salaries Insurance Clerical Depreciation of office equipment $2,500 per month $400 per month $1,000 per month, plus $20 per piano sold $300 per month During August, Marwick's Pianos, Inc., sold and delivered 40 pianos. Required 1. Prepare a traditional format income statement for August. 2. Prepare a contribution format income statement for August. Show costs and revenues on both a total and a per unit basis down through contribution margin. For the Month of August Cost of goods sold Gross margin Selling and administrative expenses $ 125,000 98,000 27,000 Selling expenses Advertising Sales salaries and commissions Delivery of pianos Utilities Depreciation of sales facilities 700 10,950 1,200 350 800 14,000 Total selling expenses Administrative expenses Executive salaries Insurance Clerical Depreciation of office equipment 2,500 400 1,800 300 5,000 Total administrative expenses Total selling and administrative expenses 19,000 et operating income $ 8,000