Answer
$3331.25
Work Step by Step
Simple Interest = $Principal \times rate \times time$
Principal = 20,500 dollars
interest = $6\frac{1}{2}$ = 6.5 % = 0.065
time = 30 months = $\frac{30}{12}$ = 2.5 years
Interest = $20,500\times0.065\times2.5$ = 3331.25 dollars will be earned.
