Now, using the best fit function for the data, y = -465.4569x + 17,267.6, perform extrapolation to estimate the principal balance of the loan after 15, 20, and 30 payments. Type the correct answer in each box. Round your answers to the nearest cent. After 15 payments, the principal balance of the loan will be $ (blank) After 20 payments, the principal balance of the loan will be $ (blank) After 30 payments, the principal balance of the loan will be $ (blank)​