P5. Given the decision tree below for a two-stage (decision) project to enter a joint venture, find the best alternatives (among a1-a6 in the figure) and their expected values. The outcomes shown are revenues and the investment expenses are in parentheses. Node 4 represents the situation where alternative al was chosen, and then the top outcome with a ?0% probability occurred; note that there is no choice of alternative if the 30% probability outcome occurred. Similarly with Node5. a] {5001 [1 I000! 0.7 0.3 0.4 0.6 33 0.2 0.3 0.5 3,000 1.000 2,000 500 1,000 3,500 3,000 4.000