Which of the Following Statements Is (Are)true

Multiple Choice

Which of the following statements is (are) true?
I.As the real wage rate increases,the household's income decreases,which influences people to work more hours.
Ii.As the real wage rate increases,the quantity of labor demanded increases.
Iii.As the real wage rate increases,the opportunity cost of not working increases.

A) i only
B) ii only
C) iii only
D) i and iii
E) i,ii,and iii