If Employers Win Major Wage Concessions in Many Industries,how Will

Multiple Choice

If employers win major wage concessions in many industries,how will this affect short-run aggregate supply?

A) It will shift right (an increase in aggregate supply) .
B) It will shift left (an increase in aggregate supply) .
C) It will shift left (a decrease in aggregate supply) .
D) It will shift right (a decrease in aggregate supply) .