Pie City Pizza is practicing Penetration pricing.
Penetration pricing is a pricing strategy where competitors lower the prices of their goods and services to gain ground in the market. After they have captured, the market base, they increase their prices to make their gain.
This can be applied when the company wants to promote its products. In the case of Pie City Pizza, they adopted the penetration pricing system that captured the customers of their competitors.
When the competitors left the market, they increased their prices.
Learn more about penetration pricing here:
https://brainly.com/question/3521758