A customer ________ is any occasion on which a customer encounters the

At point E the marginal product of labor is decreasing

At point E the marginal product of labor is negative.

At point E the average product of labor is decreasing.

At point E the average product of labor is negative.

At point E the marginal product of labor is less than the average product of labor.

A customer ________ is any occasion on which a customer encounters the brand and product from actual experience to personal or mass communications to casual observation.选项： A: touch point; B: point of order; C: point of difference; D: pivot point; E: point of parity