Please provide answer for below questions:

a. The following quotation appeared in a Wall Street Journal article on the battle for market share in the automobile industry in 2000: "The huge fixed costs involved in developing vehicles and running big auto factories means auto makers feel compelled to maintain market share. Losing share long term could mean shutting down factories or running factories at unprofitable rates." Do these statements support economic theory and show that economies of scale do not benefit a firm if the output level is small? Explain. (8 marks) b. Suppose a perfectly competitive market conditions are characterized by the following inverse demand and inverse supply functions: P = 100 - 5Q and P = 10 + 5Q. What is the demand curve facing an individual firm operating in this market? (3 marks) c. Is there a deadweight loss in a perfectly competitive market? Explain your answer using diagram