For the Three Months Ended September 30 July Sales in units Sales Cost of goods sold Gross margin Selling and administrative expenses: 9,000 9,500 10,600 $1,05e,00e 630,000 420,000 - 945,000 567,006 378,000 $ 997,500 598,500 399,000 Advertising expense Shipping expense Salaries and commissions Insurance expense Depreciation expense 30,800 130,000 165,000 10,950 17,300 354,850 23,95e 30, 800 136,000 173,000 10,950 17,300 368,050 30,800 142,000 181,000 10,950 17,300 382,850 37,950 1 Total selling and administrative expenses Net operating income 30,950 Required: 1. By analyzing the data from the company's income statements, classify each of its expenses (including cos as either variable, fixed, or mixed. 2. Using the high-low method, separate each mixed expense into variable and fixed elements. Express the fixed portions of each mixed expense in the form a + bX. Check my income statements, classify each of its expenses (including cost of goods sold) as By analyzing the data from the company's either variable, fixed, or mixed. Expenses Classification Cost of goods sold Advertising expense expense Salaries and commissions Depreciation expense Required 1 Required 2Required 3 Using the high-low method, separate each mixed expense into variable and fixed elements. Express the variable and fixed portion expense in the form Y - a + bX. (Round the Variable cost per unit to i decimal place.) Variable Cost per unit per unit Fixed Cost Formula Required 3 > Morrisey & Brown, Ltd. Income Etatement For the Month Ended September 30 Variable expenses Fixed expenses