your firm is contemplating the purchase of a new $645000 computer based order entry system. the system will be depreciated straight line to 0 over the course of its 6 year life. it will be worth 58000 at that time. you will save 185000 before taxes per year in order processing costs, and you will be able to reduce working capital by 29000 at the beginning of the project. working capital will revert back to normal at the end of the project. if the tax rate is 34%, what is the IRR for this project?

a. 12.51%

b. 12.79%

c. 13.01%

d. 13.53%

e. 14.30%