please help!!

BSU inc, wants to purchase a new machine for $34,608, excluding $1,300 of installation costs. The old machine was bought five years ago and had an expected economic life of 10 years without salvage value. This old machine now has a book value of $1,900, and BSU Inc. expects to sell it for that amount. The new machine would decrease operating costs by $7,800 each year of its economic life. The straight-line depreciation method would be used for the new machine, for a six-year period with no salvage value. Click here ta view the factor table (a) Determine the cash payback period. (Round cash payback period to 2 decimal places, eg. 10.53.) Cash payback period years (b) Determine the approximate internal rate of return. (Round answer to 0 decimal places, eg. 13\%. For colculation purposes, use 5 decimal places as displayed in the factor table provided.) Internal rate of return % (c) Assuming the company has a required rate of return of 8%, determine whether the newmachine should be purchased. The investment be accepted