2. Learn how to perform Goal Seeking. You will put in three different monthly payment amounts and see the effect on the number of periods. For example, for an 8 percent, 2 point loan, 360 periods, do not pay the points up front, and borrow $400,000, answer the following questions: How many years will it take to pay off the loan if you pay an additional $750 on the Principal? How many years will it take to pay off the loan if you pay an additional $1500 on the Principal? How many years will it take to pay off the loan if you double the monthly payment