Use the following figure to answer the next question.If box E represents government, box C businesses, box D the resource market, and box B the product market, then government hiring of teachers, soldiers, police, and judges would be illustrated by arrows

After acquiring a close substitute, to increase profits the firm must Raise prices on all the products equally

a. b. Raise the prices only on products with high margins, while reducing prices on products with low margins c. Raise prices only on products with high margins, while keeping prices constant on products with low margins d. Raise prices on both the products, but raise the prices more for products with higher margins

The demand curve faced by a purely competitive firm:

A. Has unitary elasticity B. Yields constant total revenues even when price changes C. Is identical to the market demand curve D. Is the same as its marginal revenue curve