Can you help me solve this question? Can you show your steps and do it on the smith chart please?

1. You are replacing a tap changer on an ABE- autotransformer which has a cost, inclusive of field staff labour for installation and transport to Canada, of 40,000. The tap changer has an expected service life of 5 years with a salvage value of $3,000 CAD. ssuming that the yearly cost of operation is 53,100 CAD and the perceived value of having this unit operation results in an equivalent annual revenue of $15,000 CAD assuming that the conversion rate at this moment in time is 1.503 find: t. What is i* for this project? B. Based on A, using the IRR criterion, should the project be accepted at MARR = 15%? C. If the annual expense increases at 3.5% over the previous year's expenses but the annual revenue remains unchanged what is the new 1*