Total utility A. is at a maximum when marginal utility is zero. B. falls as long as marginal utility is negative. C. rises as long as marginal utility is positive. D. All of the above.

All of the above

Explanation:

Total utility is the total satisfaction that is derived by an economic agent when a particular good or service is being used.

It should be noted that the total utility is at a maximum when the marginal utility is zero. It also falls as long as the marginal utility is negative and rises as long as marginal utility is positive.

This shows that all the above options are correct.

urban company reports the following information regarding its production cost: units produced 37,000 units direct labor $ 30 per unit direct materials $ 35 per unit variable overhead $ 237,000 in total fixed overhead $ 127,000 in total