Answer:
a. competitor
Explanation:
Competitor -
It refers to the person , institute , company or business , that acts to disturbs the condition of some other person or company , is referred to as a competitor .
A competitor basically tries to do the similar or same task , as the other company , and there by hinders the profit of the company .
As from the given scenario of the question ,
Panera Bread acts as a competitor for the Fine Coffee and Pastry Shop ,
As the Panera Bread would be selling similar products as that of the Fine Coffee and Pastry Shop , and hence , the business of the Fine Coffee and Pastry Shop would be disturbed , as people might try to explore more and will go to Panera Bread .
