$ 712,500 427,500 285,000 $760,000 456,000 304,000 5 807,500 484,500 323,600 Sales Cost of goods sold Gross margin Selling and administrative expenses : Advertising expense Shipping expense Salaries and commissions Insurance expense Depreciation expense Total selling and administrative expenses Net operating income 39,600 81,080 135,888 6,100 19,300 281,600 4,000 39,600 85,800 142,480 6,188 19,300 293,200 $ 10,800 39,600 98,600 149,800 6,100 19,300 305,400 $ 17,600 $ Required: 1. By analyzing the data from the company's income statements, classify each of its expenses (including cost of goods sold) as either variable, fixed, or mixed 2. Using the high-low method, separate each mixed expense into variable and fixed elements. Express the variable and fixed portions of each mixed expense in the form Y = a + bx Complete this question by entering your answers in the tabs below. Required 1 Required 2 Using the high-low method, separate each mixed expense into variable and fixed elements. Express the vanable and fixed portions of each the form Y = a + bx, (Round the variable cost per unit to 1 decimal place.) a Variable Cost Fixed Cost Formula Shipping expense I per unit Salaries and commissions expense per unit X Y = Y =