Morrisey \& Brown, Limited, is the sole distributor of a product with growing sales. Its income statements for the three most recent months follow: Required: 1. By analyzing 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 6,500-unit level of activity using the contribution format. By analyzing data from the company's income statements, classify each of its expenses (including cost of goods sold) as either variable, fixed, or mixed. Using the high-low method, separate each mixed expense into variable and fixed elements. Express the variable and fixed portions of each mixed the form Y=a+bX. Note: Round the Variable cost per unit to 2 decimal places. Redo the company's income statement at the 6,500-unit level of activity using the contribution format. Note: Round your intermediate calculations to 1 decimal place