Answer:
then the gains from trade for Jake are 4 pounds of green beans and 8 pounds of corn with trade and specialization.
Explanation:
Jake gains with trade:
gives 72 pounds of corns in exchange of 72 /3 = 24 pounds of greeen bean
as it currently consumes the gain from trade will be of 4 units of green bean
to produce this units it will put the entire of his effort to corn and Jake can produce 4 punds of corn per pound of green beans
20 x 4 = 80 additional pounds of corst
less the 72 traded there is a gain of 8 more pounds
