your firm is contemplating the purchase of a new 515000 computer-based order entry system. the system will be depreciated syraigjt line to zero over its 6 year life. it will be worth 72000 at the end of that time. you will save 181000 before taxes per year in order peocessig costs, and you will be able to reduce working capital by 49000 at the beginning of the project. working capital will revert back to normal at the znd of the project. if the tax rate is 24 percent, what is the irr for this project ?