Which of the following are examples of incentives? (Select all that apply.)
a. An electronics company decides to stop developing cell phones because the price of most cell phones has dropped dramatically and the company isn't making much profit.
b. A customer decides to buy gas at a gas station because its prices are a few cents cheaper than other gas stations.
c. A customer's preferred toothpaste has risen in price, so he decides to find a different brand of toothpaste.
d. A jewelry company decides to sell wedding rings at a lower price than its competitors so that it can have a bigger market share and sell more rings.
