Mercy Motors owns a small engine repair shop. The company is trying to determine whether or not they should update the shop. To modernize the shop, Mercy estimates will require $350,000 in new machines and equipment and $120,000 in building improvements. The building was purchased in 1961 for $48,000. Since then, $329,000 worth of improvements have been added to create the existing structure, which is currently valued at $380,000. What is the opportunity cost of modernizing the shop

muslims control the north africa during the period of 1500 up

to 1800. they made a barrier to prevent further european exploration from

entering the africa from the north. however, the dutch ware still able to move

toward the interior with having south africa as one of the routes leading to

the east for trading with asia.

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.