Regarding Full-Line Pricing,which of the Following Statements Is True

Regarding full-line pricing,which of the following statements is true?

A) A good marketing manager usually tries to price products in a line so that the prices will seem logically related and make sense to target customers.
B) The marketing manager should try to cover all costs on the whole product line.
C) Most customers seem to feel that prices in a product line should be somewhat related to cost.
D) Not all companies that make a line of products must use full-line pricing.
E) All these statements are true.