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In: AccountingProblem 5A-7 Cost Behavior; High-Low Method; Contribution FormatIncome Statement [LO5-10]Morrisey & Brown, Ltd., of...Problem 5A-7 Cost Behavior; High-Low Method; Contribution FormatIncome Statement [LO5-10]Morrisey & Brown, Ltd., of Sydney is a merchandising companythat is the sole distributor of a product that is increasing inpopularity among Australian consumers. The company’s incomestatements for the three most recent months follow:Morrisey & Brown, Ltd.Income StatementsFor the Three Months Ended September 30JulyAugustSeptemberSales in units8,5009,0009,500Sales$850,000$900,000$950,000Cost of goodssold510,000540,000570,000Grossmargin340,000360,000380,000Selling andadministrative expenses:Advertisingexpense37,00037,00037,000Shippingexpense110,000115,600121,200Salaries andcommissions155,000162,800170,600Insuranceexpense10,50010,50010,500Depreciationexpense17,00017,00017,000Total sellingand administrative expenses329,500342,900356,300Net operatingincome$10,500$17,100$23,700Required:1. By analyzing the data from the company's income statements,classify each of its expenses (including cost of goods sold) aseither variable, fixed, or mixed.2. Using the high-low method, separate each mixed expense intovariable and fixed elements. Express the variable and fixedportions of each mixed expense in the form Y = a + bX.3. Redo the company’s income statement at the 9,500-unit levelof activity using the contribution format.