Part 2; You are required to complete either problem 21 or 22. Please indicate which problem you selected by circling the problem number and circle what your answer is. Please show your work so that partial credit can be assigned where due. 21. (15 points) The Leonardo Company had the following functional income statement for the month of July, 2022: There were no beginning and ending inventories. 1. Calculate the contribution margin per unit. (4 points) 2. Calculate the contribution margin ratio. ( 4 points) 3. What is the break-even point in units? (4 points) 4. What is the amount of sales in dollars needed to obtain a before-tax profit of $40,000?(3 points)