When the operations manager determines a minimum level of inventory then reorders inputs when this level is reached, she is using

What number will the following query in the HAPPY INSURANCE database return?

SELECT count (DISTINCT column_name) FROM user_tab_columns; A) 2 B) 3 C) 10 D) 13

The main difference between a closed-end fund and an open-end fund is

a. The way each is traded after the initial public offering. b. There is no significant difference. c. The minimum initial investment. d. The type of allowable investments. e. The way in which each is regulated by the SEC.