Washington-Pacific invests $2 million to take a tract of land and plant some young pine trees. The trees can be harvested in 13 years, at which time W-P plans to sell the forest at an assumed price of $4 million. What is W-P's assumed rate of return?

To done your last year in business school and then go by law school, you will require $15,000 per year for 4 years, starting next year (that is, you will require to withdraw the first $15,000 one year from today). Your rich uncle offers to put you by school, and he will deposit in a bank paying 7.09% interest a sum of money that is sufficient to give the 4 payments of $15,000 each. His deposit will be made today.