Exhibit 28-5 -Refer to Exhibit 28-5.In Which Case or Cases Does the or Cases

Exhibit 28-5

-Refer to Exhibit 28-5.In which case or cases does the increase in the wage rate from W₁ to W₂ definitely cause the total wage bill to rise?

A) (1)
B) (2)
C) (3)
D) (1) and (2)
E) (1) and (3)