At a price of $20, a store can sell 24 picture frames a day. At a price of $18 the store can sell 33 picture frames a day. Since total revenue ________ by the price decrease, demand must be ________....

At a price of $20, a store can sell 24 picture frames a day. At a price of $18 the store can sell 33 picture frames a day. Since total revenue ________ by the price decrease, demand must be ________.

1. A) is increased; elastic


2. B) is increased; inelastic


3. C) is increased; unit elastic


4. D) is decreased; elastic