A merchandiser plans to sell 13,700 units next month at a selling price of $110 per unit. It also gathered the following cost estimates for next month: Cost Cost of goods sold Advertising expense Depreciation expense Shipping expense Administrative salaries Sales commissions Insurance expense Cost Formula $60 per unit sold $150,000 per month. $70,000 per month $100,000 per month +$10 per unit sold $50,000 per month 5% of sales $15,000 per month What is the estimated total contribution margin for next month?