What accounts for increases in both the relative wage and the relative employment of U. S. nonproduction workers during the 1980s? a. The relative demand for nonproduction workers fell.
b. The relative supply of nonproduction workers rose.
c. The relative demand for nonproduction workers rose.
d. The relative supply of nonproduction workers fell.

Which of the following is true of website content? it should be refreshed periodically to keep customers coming back. once the content has been written and proofread it shouldn't be changed. grammatical errors are not a problem because the customer visits the site to purchase a product, not check the site's grammar. it should be limited to text and shouldn't include multimedia.