O financial management decisions influence firm value?

Hello,
There are 3 questions below about BP (British Petroleum) in which we have to answer.

a) Discuss the main financial management decisions taken by BP (British Petroleum) and how they are related.

b) Evaluate from an external perspective the main financial management decisions taken over the past three years. Critically appraise your findings detailing any theory used and assumptions made.

c) Critically appraise what impact (if any) the financial management decisions reviewed in (b) have had on BPs value over the past three years. Comment on your results using theory in support of your arguments.

Hints:
Shares prices on all UK stocks are available on Yahoo Finance UK with a fifteen-minute delay.