The plant has accumulated savings of $60000 to acquire a new machine for quality

The plant has accumulated savings of $60000 to acquire a new machine for quality assurance. The new quality control machine cost $80000. The extra $20000 needed to acquire the new machine will be finance through a loan at 6% annual interest with the principal ($20000) due at the end of the third year. The income tax rate is 0.35. The new equipment will save $35000 each year and its economic life is 3 years. The salvage value is $30000. Does the acquisition of this new machine satisfy the 6% minimum rate?a. Compute the after tax rate of return of this alternative using the present worth method. Solve this problem twice using the straight line and the MACRS depreciation methods.b. Which depreciation method is more convenient?