what is the expected rate of return form this investment?

  

Camel & Co is given a proposal to purchase a piece of land. The land can be developed into a commercial cum residential project. The profitability forecasts based on 3 different economic scenarios are as follows: Economic conditions Very strong growth Average growth Below expectation Chances of happening 20% 60% 20% Profitability in IRR 85% 45% -5%