The table presents a factory’s chair output when varying numbers of workers are employed. number of workers 0 1 2 3 4 5 number of chairs produced 0 7 17 26 34 40 At what point will diminishing marginal returns to labour begin?
- AWhen the second worker is employed.
- BWhen the third worker is employed.
- CWhen the fourth worker is employed.
- DWhen the fifth worker is employed.