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the Total utility from consuming 8units of a good is 155. The marginal utility of the 8th unit is 7 and the marginal utility of the 7th unit is 11.
the Total utility from consuming 8units of a good is 155. The marginal utility of the 8th unit is 7 and the marginal utility of the 7th unit is 11. The total utility from consuming 6units of the good is