4-22: Washington-Pacific invested $4 million to buy a tract of land and plant some young pine trees. The trees can be…

4-22:Washington-Pacific invested $4 million to buy a tract of land and plant some young pine trees. The trees can be harvested in 10 years, at which time W-P plans to sell the forest at an expected price of $8 million. What is W-P’s expected rate of return?