The Table Given Below Shows the Average Total Cost of Production

The table given below shows the average total cost of production of a firm at different levels of the output. Table 7.5
Refer to Table 7.5.At what level of production will the average total cost curve intersect the marginal cost curve?

A) 3 units
B) 2 units
C) zero units
D) 5 units
E) 4 units