The advantage to an s corporation is
a. its treatment of shareholders for income taxation purposes.
b. its ability to attract an unlimited number of shareholders.
c. its ability to have partnerships and corporations invest as shareholders.
d. its offering of multiple classes of stock.

a. its treatment of shareholders for income taxation purposes. 

Explanation:

An s corporation is a type of corporation with a maximum of 100 shareholders. The S - corporation is taxed like a partnership - they are not required to pay coparate income tax on profits. Therefore, s-corporations escape the double taxation associated with corporations.

I hope my answer helps you.

answerblank(1) negatively.blank(2); rises; blank(3) falls;

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.