Answer:
$12,668
Step-by-step explanation:
Calculation to determine the amount of annual additional cash flow that is required to make this investment attractive
Using this formula
Annual additional cash flow required=Negative net present value /Present value factor for an annuity at 8% for 10 periods
Let plug in the formula
Annual additional cash flow required= $85,000/6.71
Annual additional cash flow required= $12,668
Therefore the amount of annual additional cash flow that is required to make this investment attractive is $12,668