A couple's first child has just started kindergarten, and they have decided to save money for her college education. They have $2,000 invested so far. They are planning to invest an additional $250 each month for the next 13 years, and expect to have a return of 8.2% annually, compounded monthly. How much will they have at the end of 13 years if they start their additional investments a month from now?  They would like the college fund to be worth $100,000 in 13 years. How much would their monthly investment have to be?  An angel investor provides a startup company with $1.5M and receives 200,000 stock options in return. The startup goes public 10 years later, and the stock price is $30. What is the IRR of the investment?