A construction company plans to build a certain number of apartment buildings and stores on a piece of land. This PPC shows the combination of projects it can build. If the amount of land available to the company increases, the PPC will .
a) shift the left
b) Shift to the right
c) remain unchanged
The company realizes it cannot construct any buildings on a portion of the land because it is at risk of a cave-in. In this case, the PPC will .
a) shift to the left
b) shift to the right
c) remain unchanged