Blenkinsop Manufacturing produces Chop Slice, a multifunctional slicing and chopping kitchen tool. The following shows a summary of the manufacturing data for ChopNSlice for 2020 Selling price per unit Variable manufacturing costs Annual fixed manufacturing costs Variable selling, distribution and administration costs Annual fixed non-manufacturing costs Annual volume $ 64 38 201 060 10 102 940 28 000 units Required a. Calculate the contribution margin per unit. (1 mark) b. Calculate the contribution margin ratio. (1 mark) c. Calculate the break-even in units and sales dollars for 2020 (2 marks) d. Calculate the profit earned in 2020. (1 mark) e. Blenkinsop Manufacturing has decided to introduce robots in part of the manufacturing production process with the changes taking place in 2021. The new production methods would bring about a decrease in variable costs per unit of $18 but would increase the fixed manufacturing costs by $150 000. How many units would need to be sold to earn the same profit as in 2020? Would you recommend the changes? (4 marks) f. Prepare the Statement of Profit or Loss for (d) and (e). (4 marks)