Answer:
machine C
Step-by-step explanation:
A decision tree shows the possible outcomes from making different decisions based on cost, probability and profit. Expected benefit is the product of value of an outcome and the probability.
The different machines expected benefits are:
Expected benefit for machine A = $45000 × 90% = $45000 × 0.9 = $40500
Expected benefit for machine B = $80000 × 50% = $80000 × 0.5 = $40000
Expected benefit for machine C = $60000 × 75% = $60000 × 0.75 = $45000
Since machine C has the expected benefit, it be selected so as to maximize payoff