please help with all required part A,B and C

Problem 2 - CVP Analysis (20 marks) Part A Mancine Corporation has provided the following contribution format income statement. All questions concern situations that are within the relevant range. Required: i. What is the unit contribution margin and break-even point in unit sales? ( 3 marks) ii. Estimate how many units must be sold to achieve a target profit of $50,000. ( 2 marks) Part B (Consider this case independently) Naumann Corporation produces and sells a single product. Data concerning that product appear below: Fixed expenses are $110,000 per month. The company is currently selling 1,000 units per month. Required: Management is considering using a new component that would increase the unit variable cost by $56. Since the new component would improve the company's product, the marketing manager predicts that monthly sales would increase by 500 units. What should be the overall effect on the company's monthly net operating income of this change if fixed expenses are unaffected? (7 marks) Part C (Consider this case independently) (if not divisible, round the numerals to two decimal places) Brancati Incorporated produces and sells two products. Data concerning those products for the most recent month appear below: Required: i. Determine the overall contribution margin ratio and break-even points for the company in total sales dollars. ( 4 marks) ii. If the sales mix remains the same, determine the break-even points for the Product W07C and Product B29Z in total sales dollars. (4 marks)