Answer all questions please

Delta Mu Delta is considering purchasing some new equipment costing $393,000. The equipment will be depreciated on a straight-line basis to a zero book value over the four-year life of the project. Projected net income for the four years is $16, 900, $25, 300, $27, 700, and $18400. What is the average accounting rate of return? 11.23 percent 11.63 percent 12.01 percent 12.49 percent 10.87 percent A project has the following cash flows. What is the internal rate of return? 9.58 percent 9.16 percent 9.08 percent 9.23 percent 9.19 percent