help with b and c

Decision Alternative 1 Alternative 2 Alternative 3 Demand Low High $8,000 $30,000 $6,000 $38,000 - $1,500 $52,000 The probability of low demand is 0.40, whereas the probability of high demand is 0.60. a) The alternative that provides the greatest expected monetary value (EMV) is Alternative 3 The EMV for this decision is $ 30,600 (enter your answer as a whole number) b) The expected value with perfect information (EVWPI) = $(enter your answer as a whole number). C) The expected value of perfect information (EVPI) for Robert = $(enter your answer as a whole number)