​Exhibit -Refer to Exhibit. Assuming That the Production Possibilities Curve Extends

​Exhibit

-Refer to Exhibit. Assuming that the production possibilities curve extends out farther as indicated above due to technological change, which of the following observations is correct?

A) There is a technological advance in food production but not in housing production.
B) There is a technological advance in housing production but not in food production.
C) There is a technological advance in both housing and food production.
D) none of the above