The table below shows the tradeoff between different combinations of brushes and combs that might be produced in a year with the limited capacity for Country X, ceteris paribus.

Combinations Number of Brushes Number of Combs
J 0 4
K 10 3
L 17 2
M 21 1
N 23 0

Does the data support the law of increasing opportunity cost?
C) Given the data, what do you expect to be the shape of the Production Possibilities curve?