The Following Questions Are Linked to This Scenario: as Product

The Following Questions are linked to this scenario: As product manager for Black & Decker's toaster ovens, you have been asked by the manager for the appliance division to consider various strategic models and their application to your business. You have read some material on the Boston Consulting Group matrix and the Porter generic strategy model.
-In reviewing the application of the Boston Consulting Group matrix, you need to answer such questions as:
."How can I increase the market share of the toaster oven market?"
."Should I invest or divest in a troubled product?"
."Which of two products should be developed into stars?"
These questions relate to which criticism of the Boston Consulting Group matrix?

A) Difficulty in implementing
B) Omission of crucial factors (such as risk)
C) Arbitrary definition of an SBU
D) Arbitrary definition of market share