Office Workers and Word Processing Programs Are Complements If

Multiple Choice

Office workers and word processing programs are complements if:

A) an increase in the price of word processing programs leads to an increase in the demand for office workers.
B) a decrease in the wage paid to office workers leads to an increase in the demand for word processing programs.
C) they perform similar functions.
D) a decrease in the wage paid to office workers leads to a leftward shift in the demand for word processing programs.