Dave’s Dogs is a firm that originally sold hotdogs and soft drinks from a cart located in front of City Hall. Then Dave purchased another hotdog cart and hired someone to sell hotdogs and soft drinks near the high school. Both locations have been successful. When Dave’s Dogs expanded to two locations, which of the following did NOT occur?
A) Dave's production function changed.
B) Production increased.
C) The company increased the inputs it employs.
D) The firm employed additional capital.