b) Calculate the annual incremental after-tax cash flows for each year for the company's project on purchasing the automation equipment. [14 marks] (Hint: prepare table of before- and after-tax annual cashflows, discount factor, present value of annual cashflows) c) Based on your calculations, should the company invest in the automation equipment? Calculate and interpret each of the following for the project: [7 marks] i) Net present value Click or tap here to enter text. ii) Internal rate of Return (Hint: use Goal Seek function in Excel or trial and error method) Click or tap here to enter text. iii) Payback periods Click or tap here to enter text