The chair of the board of the local humane society chose the bank where the organization keeps its money; however, the office manager is the primary person who makes deposits, writes checks, and balances the account every month. the office manager is the in the buying center for the bank account.

Here the office manager is the user in the buying center for the bank account.

Explanation:

In this question , where the chair of the board  ( of local human society ) selects in which bank , the organization would keep its money but the office manager is the one who is the person who is using the bank account , as he he is the one who is making deposits, writing checks and balancing the accounts  etc, so this is the reason why it would not be wrong to call office manager as user in the buying center for the bank account.

answer; ///i believe the correct answer is(e) complementary to each other;

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.