Vaughn Corporation is involved in the business of injection moulding of plastics. It is considering the purchase of a new computer- aided design and manufacturing machine for $426,600. The company believes that with this new machine it will improve productivity and increase quality, resulting in a $115,400 increase in net annual cash flows for the next five years. Management requires a 13% rate of return on all new investments. Click here to view the factor table. Calculate the internal rate of return on this new machine. (Round answer to 0 decimal places, e.g. 10%. For calculation purposes, use 5 decimal places as displayed in the factor table provided, e.g. 1.52124.) Internal rate of return Should management accept the investment? The investment be accepted. %