Answer:

Step-by-step explanation:
#The equivalent interest rate per annum is equal to the effective interest rate.
-Given 8% compounded weekly( Take 1 yr=52 weeks) the effective interest rate is calculated as:

Hence, the equivalent interest rate is 8.322%
-Assuming one year has 52 weeks, the number of compoundings will be :

-The investment amount after 12 years is calculated as:

Hence, the amount after 12 years is $1304.88