Final answer:
The daily interest for a 30-day month for a $125,000 loan at 5.15% is $71.375.
Step-by-step explanation:
To calculate the daily interest for a 30-day month using a $125,000 loan at 5.15%, you can use the formula:
Daily Interest = (Loan Amount * Interest Rate) / (Number of Days in a Month)
Plugging in the values:
Daily Interest = ($125,000 * 0.0515) / 30
Calculating, the daily interest would be $71.375