Apply compound interest formula:
A = p ( 1 + r/n)^ tn
Where:
A = final amount
p = principal = 6,500
r = interest rate = 2.5% = 2.5/100 = 0.025 ( decimal )
t = years = 5
n = number of times interest is compounded per unit t = 4
Replacing:
A = 6500 ( 1 + 0.025/4) ^ ( 5 * 4 )
A = 600 ( 1 + 6.25x10^-3)^ 20
A = 7,362.60
Answer: $ 7,362.60