An employee has been asked to decide which machine to choose from four possibilities. The purchase and installation cost for each machine is identical. The decision tree below describes the conditions and expected values.Which machine should this employee select?

Increase productivity Probability 0.25 $100,000 Machine A Increase $62,500 productivity Probability 0.75 $50,000 Increase productivity Probability 0.50 $100,000 Machine B $50,000 No increase in Which machine productivity Probability 0.50 to purchase? Increase productivity Probability 0.40 $50,000 Machine C $35,000 Increase productivity Probability 0.60 $25,000 Increase pro oductivity Probability 0.25 Machine $250,000 $100,000 Decrease productivity Probability 0.75 $50,000