The economy's aggregate supply (AS) curve shows the relationship between the Select one: O A. equilibrium real GDP and marginal cost. O B. price level and the total output that firms wish to produce and sell, as technology and input prices vary. O C. price level and the marginal propensity to consume (MPC). O D. equilibrium real GDP and desired consumption. O E. price level and the total output that firms wish to produce and sell, with technology and input prices held constant