10 Skipped Assume a merchandising company uses the high-low method to separate any mixed costs into their variable and fixed elements. It provided the following income statements: May June Sales Gross margin Sales in units Cost of goods sold Selling and administrative expenses: Advertising Shipping Salaries and commissions 4,800 $ 168,000 5,000 $ 175,000 July 5,500 $ 192,500 86,400 90,000 99,000 81,600 85,000 93,500 17,000 17,000 17,000 16,800 17,500 19,250 29,600 30,000 31,000 Total selling and administrative expenses 63,400 64,500 67,250 Net operating income $ 18,200 $ 20,500 $ 26,250 What is the total estimated selling and administrative expense if the company sells 5,100 units