Compared to their consumption and production before they decided to specialize, what are the gains from trade that afredo experiences

Afredo and Staton can, individually produce and consume milk shakes and tacos in the amounts shown in the columns marked "without trade". Production Consumption Production Consumption Person Good (without (without (with (with trade) trade) specialization specialization and trade) and trade) milk Afredo 60 60 80 shake 61 (keeps) taco 60 60 78 (from Staton) milk Staton 12 12 0 shake 19 (from Afredo) taco 12 12 18 (keeps) Tired of making everything on their own, Afredo and Staton decide to specialize, and Afredo trades 19 milk shakes to Staton for 78 tacos. The resulting consumption and production is shown in the last two columns of the table above. Compared to their consumption and production before they decided to specialize, what are the gains from trade that Afredo experiences? Choose one: O A. 80 milk shakes and no tacos O B. no milk shakes and no tacos O C. 1 milk shake and 18 tacos D. 18 milk shakes and 1 taco