Hot Tubs Unlimited Purchases hot tubs from a well-known munufacturere and sells them at retail level. The hot tubs sell, on average, for $2,500 each. The average cost for a hot tub from the manufacturer is $1,500. The January 2018 monthy costs for the company are listed Costs Selling Advertising Delivery of hot tubs Sales salaries and commisions | $3,800 per month, plus 4% of sales Utilites Depreciation on sales facilities $5,000 per month Administrative Executive salaries Depreciation on office Cost Formula $950 per month $60 per hot tub sold $650 per month $13,500 per month $900 per month equipment $2,500 per month, plus $40 per hot tub sold Clerical Insurance $700 per month During January the company sells 60 hot tubs Required 1.Prepare the monthly income statement in the traditional format and in the contribution margin format