1.) Kanye Company is evaluating the purchase of a rebuilt spot-welding machine to be used in the manufacture of a new product. The machine will cost $175,000, has an estimated useful life of 7 years, a salvage value of zero, and will increase net annual cash flows by $37,138. What is its approximate internal rate of return? (Round answer to 0 decimal place, e.g. 125.)

2.) Viera Corporation is considering investing in a new facility. The estimated cost of the facility is $1,696,729. It will be used for 12 years, then sold for $719,400. The facility will generate annual cash inflows of $368,500 and will need new annual cash outflows of $153,200. The company has a required rate of return of 7%. Calculate the internal rate of return on this project. (Round answer to 0 decimal place, e.g. 125.)

3.) Swift Oil Company is considering investing in a new oil well. It is expected that the oil well will increase annual revenues by $120,000 and will increase annual expenses by $68,000 including depreciation. The oil well will cost $468,000 and will have a $11,000 salvage value at the end of its 10-year useful life. Calculate the annual rate of return. (Round answer to 2 decimal places, e.g. 12.47.)