Answer: See explanation
Step-by-step explanation:
We are going to solve this by using the Simple interest formula which is:
= Principal × Rate × Time
= 500 × 3% × 8/12
= 500 × 0.03 × 2/3
= 10
Therefore, the interest will be $10 ane the total amount that'll be paid back will be:= $500 + $10 = $510