I have got multiple anserws for the same question that I am going to discuss. It would be great if somebdy can help

Q: You are about to comeplete the project and Customer asks for a change in scope.What would you do

a. Ask the customer that its late now and you cannot do this

b. Analyse the impact of reuirement in the scope

c. Implement the change

d. Get the change go through change control procedure.

I have read somewhere that PM should do any changes in steps below:

-- analyse the scope &  impact change