$10,600Annual cash operating costs $29,600Salvage value in 8 years $0Annual cash operating costs$36,

$10,600Annual cash operating costs $29,600Salvage value in 8 years $0Annual cash operating costs$36,000Depreciation is $10,100 per year for the old equipment. The straight-line depreciation method would be used for the new equipment over an eight-year period with salvage value $4,592.a)Determine the cash payback period (Ignore income taxes). (cash payback period in years)(I know i am supposed to divide the cost of capital investment by net annual cash flow, but every time i get the amounts wrong)b)Calculate the anual rate of returnc)Calculate the net present value assuming a 18% rate of return (Ignore income taxes)On this answer I was unable to calculate the annual cash flows so that i could get to the part where I use the PV tabled)Should the company purchase the new equipment?