A Monopolist Would Usually Find More Profitable to Engage in Block

Multiple Choice

A monopolist would usually find more profitable to engage in block pricing rather than ordinary price discrimination. However, there are instances when this is not the case because:

A) the monopolist finds the block pricing hard to master.
B) customers buy usually a few units of the good.
C) it is costly to measure the customer's consumption.
D) customers loath discrimination.