A merchandiser plans to sell 13,300 units next month at a selling price of $110 per unit. It also gathered the following cost estimates for next month: Cost Cost Formula Cost of goods sold $60 per unit sold Advertising expense $150,000 per month Depreciation expense $70,000 per month Shipping expense $100,000 per month + $10 per unit sold Administrative salaries $50,000 per month Sales commissions 5% of sales Insurance expense $15,000 per month What is the total estimated gross margin for next month?