Attempts Keep the Highest/ 12. Problem 28-22 (Expected Rate of Return) E eBook Expected Rate of Return Washington-Pacific (W-P) invests $4 million to buy a tract of land and plant some young pine trees. The trees can be harvested in 8 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? Do not round intermediate calculations. Round your answer to two decimal places