Since last year, the price of gold has risen from $1100 to $1420. What annual inflation rate would leave the real price of gold unchanged over the last twelve months?

A kinked demand curve is perceived by the firm as being:

A. more elastic to the right of the kink B. more inelastic to the right of the kink C. more inelastic to the left of the kink D. present when there is a monopoly

Bundling:

A. is the practice of selling a single product in bulk at a reduced per unit price. B. is the practice of selling several products together as a package. C. is the practice of selling the same good to different types of consumers at different prices. D. is the practice of selling different goods to different types of consumers at different prices.