Morrisey & Brown, Limited, of Sydney is a merchandising company that is the sole distributor of a product that is increasing in popularity among Australian consumers. The company's income statements for the three most recent months follow: August 9, 500 $ 997, 500 598,500 399,000 September 10,000 $ 1,050,000 630,000 420,000 Morrisey & Brown, Limited Income Statements For the Three Months Ended September 30 July Sales in units 9,000 Sales $ 945, 000 Cost of goods sold 567,000 Gross margin 378,000 Selling and administrative expenses: Advertising expense 30, 800 Shipping expense 130,000 Salaries and commissions 165,000 Insurance expense 10,950 Depreciation expense 17, 300 Total selling and administrative expenses 354, 050 Net operating income $ 23, 950 30, 800 136, 000 173,000 10, 950 17, 300 368, 050 $ 30, 950 30, 800 142, 000 181, 000 10, 950 17, 300 382, 050 $ 37,950 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. 3. Redo the company's income statement at the 10,000-unit level of activity using the contribution format. Required 1 Required 2 Required 3 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. Classification Expenses Cost of goods sold Advertising expense Shipping expense Salaries and commissions Insurance expense Depreciation expense Required 1 Required 2 Required 3 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. (Round the Variable cost per unit to 1 decimal place.) Variable Cost Fixed Cost Formula per unit Y = + X per unit Y = + Redo the company's income statement at the 10,000-unit level of activity using the contribution format. Morrisey & Brown, Limited Income Statement For the Month Ended September 30 Variable expenses: Fixed expenses