$\backslash$table$[[$First Bakery,Second Bakery$],[$Cookies$,$Pies,Cookies,Pies$],[0,18,0,9],[10,12,30,6],[20,6,60,3],[30,0,90,0]]$

Given the production possibility tables for First and Second Bakeries presented above, we know that the opportunity cost of producing pies:

$$ is higher at First Bakery.

is higher at Second Bakery.

is the same at both bakeries.

cannot be computed without further information.