A group of medical professionals is considering the construction of a private clinic . If the medical demand is high , the physicians could realize a net profit of $100,000.00.If the market is not favourable , they could loose 40,000.00.Of course ,they didnot have to proceeed at all,in which case there is not cost. In the absence of any market data, the best the physicians can guess is rhat there is a 50-50 chance the clinic will be successful. Construct a decision tree to help analyze this problem. What should be medical professionals do?