Answer: Total amount that Matthew's bank will receive $6312.40
Explanation:
Since we have given that
Principal amount =$8000
Rate of interest = 6%
Time = 4 years
As we know the formula for " Compound Interest ":

where
A denotes Amount
P denote Principle
n denotes time
r denotes rate of interest
So, our equation becomes,

Hence, total amount that Matthew's bank will receive $6312.40.