Same Company Prepare a Contribution Margin Income Statement below based on the following data. Chapter 6 Lecture Page 7 Revenue: Quantity of necklaces sold 400 necklaces sold Average sale price of necklace $ 50 per necklace Cost of Goods Sold $ 11 per necklace Selling Expenses: Advertising $ 1,500 per month Sales salaries and commissions 900 per month, plus 4% of sales Delivery of necklaces to customers 8 per necklace Store Rent 900 per month Depreciation of sales equipment 600 per month Administrative Expenses: Office salaries $ 1,000 per month Employee benefits 600 per month Clerical 800 per month, plus_$6 per necklace Depreciation of office equipment 900 per month Jewelry 4 U Contribution Margin Income Statement For the month ended December 31 Total Per Unit Sales Variable expenses Cost of goods sold Sales commissions Delivery of necklaces Clerical