Figure 2-8 shows the production possibilities frontiers for Costa Rica and Guatemala. Each country produces two goods. pineapples and coconuts. Refer to Figure 2-8. What is the opportunity cost of producing 1 ton of pineapples in Costa Rica? 3/8 of a ton of coconuts (B) 2/3 of a ton of coconuts 11/2 tons of coconuts 100 tons of coconuts