Suppose there are three buyert of candy in a markec Tex, Dex, and Rex. The market demand and the individual ferpand of Tex Dex, and Pex are nhown in the following toble: a. Fill in the missing values (groy-shaded cells) in the table. b. Which buyer demands the least at a price of $5 ? The most ot a price of \$7? c. Which buyer's quantity demanded increases the most when the price decreases from $7 to $6 ? d. Which direction would the market demand curve shift if Tex withdrew from the market? What if Dex doubled his purchases at each possible price? e. Suppose that at a price of $6, the total quantity demanded increases from 21 to 31 . is this a "change in the quantity demanded" or a "change in demand