Question 3 XYZ company provides the following information processed by its analyst department: Statistics Covariance Correlation Standard Deviation x Standard Deviation y Variance x Variance y Mean (x) Mean (y) 82640 0.82 79.1 21.35 4254 456 842 13250 Using the information given on the table above 1. Find the variable cost per unit 2. Calculate the fixed cost 3. State the cost function 4. If X-180 find Y I Question 4 Answer these questions briefly 1. Using examples differentiate between sunk cost and opportunity cost 2. How does mixed cost differ from variable cost? Illustrate your answer by sketch graph. 3. How does committed resources differ from flexible resources? Illustrate with examples 4. Compare and contrast variable cost and fixed cost. 5. Using examples show how management accounting differ from financial accounting