Consider the following product schedule.

	Labour	TP	AP	MP
a	0	0	-	-
b	10	60		6
c	20	140		8
d	30	210	7	7
e	40	240	6
f	50	250	5

What is marginal product at points e and f?

Select one:

6 and 5 units

3 and 1 units

40 and 50 units

240 and 250 units