The following table gives the TP schedule of labour. Find the corresponding average product and marginal product schedule:
| TPL | 0 | 15 | 35 | 50 | 40 | 48 | | L | 0 | 1 | 2 | 3 | 4 | 5 |
| AP | 15 | 17.5 | 16.67 | 10 | 9.6 | | MP | 15 | 20 | 15 | -10 | 8 |