The amount Madeline would have more than Harper is $4,867.18.
The formula for calculating future value is: FV = P (1 + r/m)^nm
Where:
FV = Future value
P = Present value
R = interest rate
m = number of compounding
N = number of years
Madeline = $51,000 x [ 1 + (0.06125 ÷ 365)]^(365 x 13) = $113,070.20 Harper = $51,000 x [ 1 + (0.058 ÷ 12)]^(12 x 13) = $108,203.24
Difference in amount = $113,070.20 - $108,203.24 = $4,867.18
To learn more about future value, please check: https://brainly.com/question/18760477