18. An investor has a choice between four investments. The profitability of the investments depends upon the market. The payoff table with annual profits (in $) is given below for different market conditions. States of Nature Market Market Market Investment Increased Stays the same Decreased ABCD 100,000 50,000 -40,000 70,000 30,000 -10,000 C 40,000 15,000 10,000 20,000 20,000 20,000 A market economist has stated that there is a 25% chance that the market will increase, a 35% chance that the market will stay the same, and a 40% chance that the market will decrease. (a) [1] What is the maximax decision alternative? (b) [1] What is the maximin decision alternative? (c) [2] Compute the expected value for each investment. Which investment is the best based on expected value? (d) [2] Compute the expected value of perfect information.