Assuming that technology and the prices of all inputs remain fixed, decide, in each of the four cases (A-D) in the table below, whether economies of, diseconomies of, or constant returns to scale exist. Case Inputs 1 Inputs 2 Output 1 Output 2 A 5 15 11 33 (Click to selecthe B 18 36 190 390 (Click to select) C 29 58 300 600 (Click to select) D 290 435 1, 800 3, 200 (Click to select) <