Suppose the economy is self-regulating, the price level is 150, the quantity demanded of Real GDP and the quantity supplied of Real GDP in the short run both equal $4.3 trillion, and the quantity supplied of Real GDP in the long run is $4.1 trillion. Given all of this information, we can conclude that the economy in short run equilibrium, and that the price level in long run equilibrium will be than 150.

answer: marginal utility of the fourth brownie is 0.

explanation: marginal utility is the addtional utility gained from the consumption of one more unit of a good. it is given by,

so, marginal utility at the 4th unit will be given by

since, the values are not given here, you can simply find marginal utility at fourth unit by subtracting total utility at 3rd unit from total utility at 4th unit.

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