
Answer: hello your question is incomplete attached below is the complete question
answer : Â $(1,236,495). ( A )
Explanation:
Attached below is the Calculation of the net present value of the alternative of overhauling the present system
The value of Net present value = ∑ present value
                    = -300000 - 200000 - 906950 + 77055 + 93400
                   = - 1,236,495