The IRS sets an interest rate each quarter that is applicable to underpayments by individuals. The rate for the third and fourth quarters of 2020 is 3%. You can see all interest rates listed by the National Association of Tax Professionals at https://bit.ly/3bVcCmw.
Charges to the homeowner at the time of the loan. A point is equal to 1 percent. Depending on the type of loan, points may be currently deductible or amortized over the life of the loan.