Please show how to arrive at the answer, thanks!!

Your firm is contemplating the purchase of a new $772,800 computer-based order entry system. The system will be depreciated straight-line to zero over its 5-year life. It will be worth $69,000 at the end of that time. You will save $303,600 before taxes per year in order processing costs and you will be able to reduce working capital by $70,270 (this is a one-time reduction).

Required :

If the tax rate is 30 percent, what is the IRR for this project? (Do not round your intermediate calculations.)

Multiple Choice:

(a)	18.91%
(b)	24.05%
(c)	25.25%
(d)	22.88%
(e)	23.09%