Emma will deposit $2,000 in the Lowell Commercial Bank and keep it there for 14 years. The Bank pays 6.4% per year, but it compounds the money weekly. What is the value of the account after this period? Use 52 weeks in one year for your calculations.

Layla is expecting to get one year from today: $19, another $29 two years from today, and a final $32 three years from today. With a 7.4% as the interest rate, what is the total present value of all three of these expected inflows?

Emily is making 6 annual payments on a loan for a house ($300,000 borrowed) which, like most mortgage loans, is amortized. If the annual interest rate is 7%, what part of the first payment (dollar amount) goes toward reducing the principal?