A firm underwriting of a municipal bond issue usually has a number of different broker-dealers involved. Those who earn the total takedown on each sale they make are performing in the role of

Selling syndicate members

Explanation:

Selling syndicate members is a term used in business or finance to describes part of a broker-dealers of a municipal bond issue. They are charged with the responsibilities of selling the bonds allotted to them.

From the sales of each bond, the total takedown, including the additional takedown is earned.

Hence, in this situation, the correct answer is Selling Syndicate Members

answer; i believe the correct answer is (a) purchase of treasury stock;