Answer to Question 1
T If the products are substitutes and buyers of a high-quality one will pay a high price for it, the monopolist may want to reduce the quality of the other product so it is less attractive as a substitute for the high-priced product.
Answer to Question 2
T A firm that is not achieving the profit that it might can be taken over by a raider, who may sack the underachieving management and install new management.