In 2012, consumers in Dexter consumed only books and pens. The prices and quantities for 2012 and 2013 are listed in the table above. The reference base period for Dexter's CPI is 2012. What is the CPI in 2012?

In the long run,

a. some resources are variable and some resources are fixed. b. all the resources can be varied. c. all resources are fixed. d. at least one resource is fixed. e. there are no explicit costs.

The long-run level of RGDP changes whenever the aggregate demand curve shifts

a. True b. False Indicate whether the statement is true or false