The following table shows the production possibilities for producing corn and nuts in the country of Airway: % Inputs Output of corn % Inputs Output of nuts 0 0 0 0 20 100 20 60 40 180 40 100 60 240 60 130 80 280 80 150 100 300 100 160 Refer to the table above to answer this question. If Airway is presently producing 100 corn, what is the cost of producing 80 more corn? 60 nuts 100 nuts 20 nuts 10 nuts