Refer to the information provided in Figure below to answer the question that follow AE AE B Aggregate expenditures ($ billions) 2,000 700 400 45 2,000 A Aggregate output ($ billions) Refer to Figure Along aggregate expenditure AE1, the MPC is Select one: a. 0.8 b. 0.6 a C. 0.9 o d. 0.7