Answer:
9.86 years
Explanation:
Given that
The Present value is $12,400
the future value is $21,100
The rate is 7%
The pmt is $0
The formula to compute the NPER is
= NPER(RATE,PMT,-PV,FV,TYPE)
AFter applying the above formula, the time period is
= 2+7.8567
= 9.8567 years
= 9.86 years