1a: Explain why classical economists focus on prices, whilst Keynesians focus on disposable income when it comes to key factors able to maintain expansionary phases. (1)

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1b: What is the connection between Yd, MPC, and the RDGP? (1)

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1c: Why is autonomous consumption unique to the consumption expenditure? (1)

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1d: How much would your savings change by, if at MPC of 81%, your disposable income increases from $340 to $485? (1)

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1e: If your MPC is 0.92 and your disposable income falls by $290, what will be your change in consumption or spending? (1)

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