Crane 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 $184,000, has ain estimated useful life of 7 years and a salvage value of zero, and will increase net annual cash flows by $39,050. Click here to view the factor table. What is its approximate internal rate of return? (Round answer to 0 decimol place, eg. 13\%.) Internal rate of return Crane Oil Company is considering investing in a new oil well. It is expected that the oil well will increase annual revenues by $123,465 and will increase annuat expenses by $67,000 including depreciation. The oil well will cost $481,000 and will have a $10,000 salvage value at the end of its 10 -year useful life. Calculate the annual rate of return. (Round answer to 0 decimal places, eg. 13\%) Annual rate of return