An investor plans to put $50,000 in one of four investments. The return on each investment depends on whether next year's economy is strong or weak. The following table summarizes the possible payoffs, in dollars, for the four investments. Next year's economy Strong Certificate 6,000 6,000 of deposit Office 14,000 4,000 complex Land 32,500 - 16,500 speculation Technical school 4,500 11,000