$1800 at 6.5% for 30 months
The interest accumulated by $1800 in 30 months at 6.5% annually is given by:Amount = Original x (1 + interest rate)^timeTime = 30 / 12 = 2.5 yearsNew amount = 1800(1 + 0.065)^(2.5)New amount = $2106.91