(e) The average fixed cost per unit- Total fixed cost / units produced > $219,296/ 8,900 units-$24.64 per Ulli Produced->$148,185/ 8,900 units- unit (f) The average total cost per unit- Total cost/ units produced $367 481/ 8,900 units- $41.29 per unit 2) 15% Cosgrove, Inc. is a wholesaler that distributes a single product. The company's revenues and expenses for the last three months are given below: Cosgrove Company Traditional Format Income Statement For the Three Months Ended June 30 April May June 3,000 3,750 4,500 Sales revenuen .168 000210000 252,000 Gross margin. Selling and administrative expenses 44,000 50,00056,000 70,000 70,000 70,000 107,000 125,000 143,000 9,000 9,000 9,000 42,000 42000 42,000 272,000 296,000 320,000 S(20,000) $19,000 $58,000 Shipping expense Insurance expense Total selling and administrative expense Net operating income (loss). Required: a. Determine which expenses are mixed and, by use of the high-low method, separate each mixed expense into variable and fixed elements. (Use unit sales as the activity measure.) State the cost formula for each mixed expense b. Compute the company's contribution margin for May