Answer:
 $2,610.37
Explanation:
The computation of the amount that should be earn in 15 years is shown below:
As we know that 
Future value = Present value × (1 + rate of interest)^number of years 
= $1,000 × (1 + 6.5% ÷ 2)^15 × 2
= $1,000 × (1 + 3.25%)^30
= $1,000 × 2.610368439 
= $2,610.37