(Chapter 6, question 7) The shape of the indifference curves in Figure 6-5 means that, a. After a certain number of leisure hours is reached, additional leisure hours become very valuable. b. After a certain number of leisure hours are reached, additional leisure hours have no value. c. After a certain number of leisure hours are reached, work hours are actually viewed as a good thing. d. As leisure hours increase, additional hours of leisure fall in value, but after some point, start to increase again. Y 5) d 1600 1400 1200 1000 800 600 400