According to the table, which location has a comparative advantage in the production of blue shoes?

$\backslash$table$[[,\backslash$table$[[$Number of pairs of yellow$],[$shoes produced per worker$],[$per day$]],\backslash$table$[[$Number of pairs of blue$],[$shoes produced per worker$],[$per day$]]],[$Chicago$,12,6],[$New York,$16,4]]$

Select one:

a$.$ Chicago

b$.$ New York

c$.$ neither Chicago nor New York

d$.$ not enough information to answer the question