An investor has $1000 to invest and is considering the four alternatives shown below.How well each investment does depends on the state of the economy.The payoff table is shown below. 
Based on the minimax regret criterion,which investment should be chosen?
Definitions:
Peak Efficiency
The state or condition in which a system or process operates at its maximum potential or effectiveness, utilizing resources optimally without waste.
Monopolistic Competitor
A market structure where many companies sell products that are similar but not identical, allowing for significant control over pricing and competition on factors other than price, such as quality and branding.
Perfect Competitor
A market scenario where numerous small firms are competing against each other, and no single firm has the market power to influence the price of its product.
Price Discrimination
The practice of selling the same product or service at different prices to different buyers, based on what the seller believes each market segment can afford.
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