Answer:
d. 4 years
Explanation:
The formula to compute the payback period is shown below:
= Initial investment ÷ Net cash flow
where,
Initial investment is $200,000
And, the net cash flow = $50,000
Now put these values to the above formula
So, the value would equal to
= ($200,000) ÷ ($50,000)
= 4 years
All other information which is given is not relevant. Hence, ignored it