Answer:
$100
Step-by-step explanation:
Simple interest is calculated using the formula
I = P x R x T
where I = interest
P= principal amount, $1,250
R= interest rate , 8% or 0.08
T = Time, one year
The interest troy will earn is
I= $1250 x 0.08 x 1
= $100
Troy will earn $100 as interest