Refer to the Scenario Below to Answer the Following Questions

Refer to the scenario below to answer the following questions.
Pilot is a manufacturer of ballpoint pens, pencils, and stationery. The firm's primary distribution strategy is to sell in large volumes to office supply stores and large discount chains. Iwao Takada, CEO of Pilot, had hoped to manufacture and sell in large enough quantities that prices could be held low. However, in the first several months, the firm experimented with the price portion of its marketing mix in an effort to cater to a number of markets.
-By offering a set of pens packaged with stationery and matching envelopes,Pilot would be using ______________.

A) optional product pricing
B) product bundle pricing
C) by-product pricing
D) dynamic pricing
E) price fixing