John and Peggy recently bought a house. They financed the house with a $236,000, 30-year mortgage with a nominal interest rate of 6.38%. Mortgage payments are made at the end of each month. What total dollar amount of their mortgage payments during the first 7 years will go towards repayment of principal?

Group of answer choices

$21,061.49

$100,693.06

$23,047.75

$112,000.89

$29,693.34