uploaded both parts of the question, please help!

Please leave column A blank so I can do my marking in that column. Question 4 - Green Energy Green Energy Co. (GEC), an environmental energy company, is looking to purchase a new methane burning furnace, and wants to evaluate two different models that both have a useful life of 5 years. GEC requires a 12 percent return on investment. Assume cash flows noted below are net of tax. The cash flows associated with the two models are as follows: Year Model A Model B Initial Cost (Cash outflow) 0 $175,000 $500,000 Cash Flow Year 1 1 $65,000 $190,000 Cash Flow Year 2 2 $60,000 $145,000 Cash Flow Year 3 3 $40,000 $105,000 Cash Flow Year 4 $35,000 $140,000 Cash Flow Year 5 5 $40,000 $207,500 NOTE: If the boxes above have #VALUE in them it means you haven't entered your student number on the cover tab. 4 Required: Note that for the questions below a guess does not get you marks - you need to show the math! If you apply the payback criterion, which investment should GEC choose? Why? (3 marks) (Round to 2 decimal places.) a. b. If you apply the NPV criterion, which investment should GEC choose? Why? (3 marks) c. If you apply the IRR criterion, which investment should GEC choose? Why? (3 marks) (Round to 2 decimal places - xx.xx%) d. If you apply the profitability index criterion, which investment should GEC choose? Why? (3 marks) (Round to 2 decimal places.)