Answer:
The NPV of this investment is $64,581.75
Explanation:
Hi, we need to discount to present value all the future cash flows, the formula to use is as follows:

Where
NPV = Net Present Value
CF = The cash flow stated in the problem by year
r= discount rate (in our case, 0.08 or 8%)
Now, let´s solve this.



So, the net present value of this project is $64,581.75
Best of luck.
Answer:
He should schedule the activity with the least slack, that means the activity B.
So, B. He should scheduel activity B first.
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