Based on the information given the amount of interest that John pay in all is his $7,200,000.
Interest:
Using this formula
Interest=Amount borrowed×Number of years×Interest rate
Where:
Amount borrowed=$6,000,000
Number of years=15 years
Interest rate=8%
Let plug in the formula
Interest=$6,000,000×15×8%
Interest=$7,200,000
Inconclusion the amount of interest that John pay in all is his $7,200,000.
Learn more about interest here:https://brainly.com/question/16134508
