1. Valdivieso Roofing is considering the purchase of a crane that would cost $13

1. Valdivieso Roofing is considering the purchase of a crane that would cost $137885 would have a useful life of 9 years and would have no salvage value. The use of the crane would result in labor savings of $23000 per year. The internal rate of return on the investment in the crane is closest to:A. 6%B. 8%C. 11%D. 9%2. The management of Kissinger Corporation is investigating automating a process. Old equipment with a current salvage value of $23000 would be replaced by a new machine. The new machine would be purchased for $330000 and would have a 6 year useful life and no salvage value. By automating the process the company would save $108000 per year in cash operating costs. The simple rate of return on the investment is closest to:A. 17.3%B. 16.7%C. 16.1%D. 32.7%3. Rennin Dairy Corporation is considering a plant expansion decision that has an estimated useful life of 20 years. This project has an internal rate of return of 15% and a payback period of 9.6 years. How would a decrease in the expected salvage value from this project in 20 years affect the following for this project?Internal R.O.R Decrease Payback Period DecreaseA) Decrease DecreaseB) No Effect DecreaseC) Decrease No EffectD) Increase No EffectE) No Effect No EffectA B C D or E?