Question 5 (10 marks) Amanda's Art Supplies has a unit selling price of $500, variable costs per unit of $275 and fixed cost of $129 825. The business's target profit for the year is $180 000. Required: Calculate the following. Provide a formula and show your workings for each. 1) Contribution margin ratio (4 marks) 2) The annual break-even point in sales dollars using the contribution margin approach (2 marks)