How is performance evaluated for an investment center? a) actual costs compared to budgeted costs. b) actual segment margin compared to budgeted segment margin. c) actual operating income compared to budgeted operating income. d) comparison of actual and budgeted roi based on segment margin and assets controlled by the segment. e) none of the above.

answer; ///after donning a gown, mask and eyewear;

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.