Board SenseleS Games at Hobbies purchases pool tables from a reputable manufacturer and sells them at the retail level. The tumpany sold 75 pool tables in February. reeording 5540.000 in revenues. The average cost of a pool table from their manufacturer is 55.400. Board Senseless has always kept careful amounting retords. the tomoany reports non-product costs for the month as follows: mprnduct Costs Cost formula Advertising expenses $11500 per month Delivery of pool tables $150 per pool table sold Sales salaries and (ommlssiuns $31200 per month, plus 10% of sales Utilities for marketing oice $1.200 per month Depreciation on sales facilities 11700 per month Executive salaries 51801000 per year Clerical wages $21000 per month. plus $30 per pool table sold Insurance 5600 per month What amount would Board senseless report as average contribution margin per unit in February