Can you please explain the sticky wage theory? I also need to know the answer but could you provide an explanation?

The short-run aggregate supply curve slopes upward. According to the sticky-wage theory of the short-run aggregate supply curve, if workers and firms expected prices to rise by 4 percent, but instead they rise by 6 percent, then O a. employment rises and production falls. Ob. both employment and production fall. O c. employment falls and production rises. O d. both employment and production rise