Answer: Jack will pay more during the length of their loan and will pay $1794.60 extra.
Step-by-step explanation:
Given, Jenny Balance = $10000
interest rate = 15%
EMI = $346.65
and for Jack Balance = $10000
interest rate = 15%
EMI = $237.90
Difference = = $1794.60
This means Jack will pay $1794.60 extra.