You have $10,000 you want to invest for the next 25 years. Y…

You have $10,000 you want to invest for the next 25 years. You are offered an investment plan that will pay you 7 percent per year for the next 10 years and 11 percent per year for the last 15 years. How much will you have at the end of the 25 years? Does it matter if the investment plan pays you 11 percent per year for the first 10 years and 7 percent per year for the next 15 years? 

Western Bank pays 5 percent simple interest on its savings a…

Western Bank pays 5 percent simple interest on its savings account balances, whereas Eastern Bank pays 5 percent compounded annually. If you deposited $6,000 in each bank, how much more money would you earn from the Eastern Bank account at the end of 3 years?