Answer:
$613.04
Step-by-step explanation:
Amount invested is the principal
Principal, P = $300
Interest rate, r = 6% = 6/100
r = 0.06
Number of times the interest is compounded per year, n = 4
Time, t = 12
Amount after 12 years, A(12) = ?
Amount formula for compound interest is:

In 12 years, the investment will be worth $613.04