CAR-36754 company purchases battery powered bikes from a manufacturer for $1,510 per unit and then sells them to its customers for $3,300 each. The company's monthly selling and administrative costs are the following: Costs Selling: Advertising Sales salaries and commissions Delivery of bikes to customers Utilities Depreciation of sales facilities Administratives Executive salaries Insurance Clerical Depreciation of office equipment Cost Formula $930 per month $4,780 per month, plus 5s of sales $60 per unit sold 659 per month $ 5,004 per month $13,584 per month $699 per month $2,534 per month, plus $36 per unit sold $ 931 per month Last month CAR-36754 sold 60 units. How much was the company's total contribution margin for the month? O$91740 $106,260 O$90,600 O$107,400