How does panera bread attract customers? why do customers not mind paying more for panera bread's food?

Explanation:

Panera Bread is an American Bakery and cafe store which serves the bakery items, fast food items, and casual restaurant foods to its customers. It has more than two thousand branches in America and Canada. The good, clean warm food attracts thousands of customers to its different branches on daily basis. The environment is so welcoming and pleasant that people are more attracted towards them. Besides these things, they also have a very competitive marketing strategies like making big budget commercials, displaying hoardings, billboards and the use of celebrities to attract the vast pool of people to their stores. Due to such factors, people are usually ready to pay more for the Panera bread's food. The itself is no doubt delicious, plus the environment of the cafe makes it more attractive for the customers.  

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;