Production Possibilities for Coffee and Tea 70 C 60 V W 50 40 X Quantity of Coffee 30 20 Y 10 Z 0 80 160 240 320 How much tea is gained at what cost of coffee? a. In moving from U to V 80 tea is gained at the cost of coffee b. In moving from W to X tea is gained at the cost of coffee c. In moving from Y to Z tea is gained at the cost of 15 coffee