Question: Examine the figure below, then answer the questions that follow.
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a. What is the quantity demanded at a price of $20? At $15?
b. What is the quantity supplied at a price of $10? At a price of $20?
c. How large is the shortage or surplus at $5? Explain your answer.
d. If the price started at $5 today, what would likely happen to the price tomorrow? Why?