Answer:
The value of interest earned after 14 years = $ 672.34
The amount after 14 years = $ 2751.34
Explanation:
Principal amount = $ 2079
Rate of interest = 2.31 %
Time = 14 year
Now simple interest is given by

Put all the values in above equation

SI = $ 672.34
This is the value of interest earned after 14 years.
Amount After 14 years will be
A = 2079 + 672.34
A = $ 2751.34
This is the amount after 14 years.