Which of the following statements about productivity in the service sector of the U. S. economy is most accurate? a. Productivity in the service sector has increased much more rapidly than productivity in the manufacturing sector.
b. Improving productivity in the service sector is much less important than improving productivity in the manufacturing sector, because the service sector does not really produce anything.
c. Productivity in the service sector is easier to measure than productivity in agriculture.
d. Measures of productivity in the service sector do a poor job of taking quality improvements into account.