Given the decision tree below for a two - stage ( decision ) project to enter a joint venture , find the best alternatives ( among a1 - a6 ) and their expected values . The outcomes shown are revenues and the investment expenses are in parentheses .Node 4 represents the situation where alternative a1 was chosen , and then the top outcome with a 70% probability occurred ,note that there is no choice of alternative if the 30% probability outcome ocurrred . similarly with Node 5.

attached diagram below

az 3ooo 14 al BU leos) 03 DOO 2,000 500 0.3 22 0.5 1,000 3.500 43.1000 Cipoos 0.6 -6 14,000