Write an essay which analyses the Boston Matrix. After briefly outlining its components, explain how it can be used for business planning. Evaluate its usefulness.

Write an essay which analyses the Boston Matrix. After briefly outlining its components, explain how it can be used for business planning. Evaluate its usefulness.
1500 words (+10%)

NOTE: You MUST use at least three of the following sources:

-AS Business Studies Collins 2008 Ashwin Merrills Thompson Machin.
-AS Business Studies Collins 2003 Thompson Machin.
-AQA Business for A Level 1 (Surridge & Gillespie).
-A2 GCE in Applied Business for Edexcel
-AQA A Level Business 1 (Third Edition) (Wolinski & Coates).
-AQA Business for AS (Marcousé).
-Business Studies for A-Level (4th Edition).
-Business Review Vol 4 No 2 The Boston Matrix Reloaded.
-Business Review April 1995 Planning Profitable Product Portfolios.
-OCR Business for A Level.
-OCR Business Studies for AS.