5. QuizCo would like to use the IRR method to choose between projects A and B below. QuizCo's MARR is 10%. Each project lasts 5 years. (a) Calculate the IRR for each project. Check with Excel using the IRR function, the rate function, and Goal Seek. Include the Excel output in your Assignment. (5 marks) (b) Calculate the incremental IRR. (4 marks) (c) Which project should be selected based on incremental IRR? (2 marks) Project A B First Cost 12,000 13,000 Annual Savings 3450 3700