Questions 56-50 and why you chose the answer thank you !

46.1f demand is unit elastic, revenue at. and price rise and fall together. b. rises as price falls. c. 'falls as price rises. d. remains constant as price rises or falls. 47.1f, as price increases by 10 percent, total revenue decreases by 10 percent demand is a. elastic. 1). unit elastic. c. inelastic. d. perfectly inelastic. 48.The price elasticity of demand for widgets at any particular price is determined by a. whether widgets are luxuries or necessities. b. how much of their budgets consumers spend on widgets. 0. whether there are any good substitutes for widgets. d. Alloftheaboveareconect. 49.If both matches and automobile prices increase by 10 percent, consumers will likely buy a. more matches and more automobiles. b. approximately the same quantity of matches and fewer automobiles. c. less matches and fewer automobiles. d. more matches and fewer automobiles. 50.Tl1e demand for a new effective drug for the cure of AIDS would most likely be elastic. unit elastic. perfectly elastic. highly inelastic. esp-s