revise. 5. Which of the following is true? a. A dollar today will be worth more in terms of purchasing power in the future. b. A dollar today will always be worth the same in terms of purchasing power in the future. C. A dollar today is worth less in terms of purchasing power then it was worth four years ago. d. The purchasing power of a dollar in the future cannot be estimated at all. 6. One of the two reasons that we use real dollars instead of nominal dollars is: a. We can easily predict future inflation rates. b. It is impossible to estimate future inflation rates. Most people do not find it easy to relate to future spending needs in dollars which include inflation. d. Real dollars are more accurate. C