Please help me with this problem. Thank you.

A firm is considering three mutually exclusive alternatives as part of a production improvement program. The altematives are: For each alternative, the salvage value at the end of its useful life is zero. At the end of ten years, A could be replaced with another A with identical costs and benefits. The minimum attractive rate of return (MARR) is 6%. Which alternative should be selected? Provide cash flow diagrams and show your work