Economics questions dealing with LM Model and GDP

If you can not answer these within 7 hours do not bother contacting me.

I have attached the questions

 But here is a correction

There is a typo in Q1.  In part (f) the year should be '09. So the question should read as:(f) Using ‘09 as the base year calculate chain weighted or chain linked real GDP for '09 and ‘10. Show and explain your calculations"