Answer
$152.10
Work Step by Step
Interest = $ principal \times rate \times time$
Principal = 1560
rate = $6\frac{1}{2}$ % = 6.5% = 0.065
time = 18 months = $\frac{18}{12} years = \frac{3}{2}$ years
Interest = $ 1560 \times 0.065 \times \frac{3}{2}$ = 152.10 Dollars