Answer:
9.61 years
Explanation:
For this question , we use the NPER formula that is presented in the attached spreadsheet
Given that,
Present value = $12,000
Future value = $30,000
Rate of interest = 10%
PMT = $0
The formula is shown below:
= NPER(Rate;PMT;-PV;FV;type)
The present value come in negative
So, after solving this, the answer is 9.61 years