"So you were saying you wanted to get to know me more?"

I DON'T KNOW MY ECONOMICS.
I CAN'T DO MY TUTORIAL 5! D;
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Question: Explain why one more pie lowers.....?
My answer: I don't know how to do! :(
(I seriously wrote this)
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Question: Explain what the firm should do......?
My answer: Increase prices? To maximise profits. WO BU HUI ZUO LA!
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Ha, I rock. I need to listen to Miss Ros' explanations tmr!