Aggregate Planning isthe activity of developing a plan that combines the efforts of the firm and its suppliers. the activity of developing a plan that focuses on product quality. the activity of matching supply of output with demand over the medium time range. the activity of determining order qualifiers. All of the above.

the page presents four different kinds of threats that volcanoes pose and what to do before, during, and after an eruption.

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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.