content area Part 1 In market equilibrium, at the equilibrium price and eWhich of the following statements by Tom demonstrates that his buying plans obey the law of demand? A. I can't afford as many textbooks because my rent has increased. B. For me, a good course website is a substitute for a textbook. C. The only thing that's changed is the price of textbooks: they've become more expensive and now I'm not buying as many. D. At an average price of $80 per text book, I plan to buy 5 text books per semester. quilibrium quantity, _____ . A. demand is not greater than supply B. demand equals supply C. both the quantity demanded equals the quantity supplied and demand equals supply. D. the quantity demanded equals the quantity supplied and equals the quantity bought and sold