Show work

The cost of a survey is $7,500,000 The gain associated with the casino attracting visitors is $250,000,000 The loss associated with the casino not attracting any visitors is $100,000,000 The gain associated with selling the land after no survey is $70,000,000 The gain associated with selling the land after a positive survey is $110,000,000 The gain associated with selling the land after a negative survey is $40,000,000 Construct and solve a decision tree that represents this management decision. Advise the manager whether to undertake the survey. You should calculate all probabilities to 2 decimal places