The table below shows the quantity of gold bars (Q_b) in thousands,the extraction cost for each thousand bars (in millions of dollars) ,and user cost of each thousand bars (in millions of dollars) facing the OZ Mining Company this year. $$\begin{array}{ccc}\begin{array}{c}\text{ Quantity of Gold Bars }\\ \text{ (in thousands) }\end{array}& \begin{array}{c}\text{ Extraction Cost }\\ \text{ (in millions of dollars) }\end{array}& \begin{array}{c}\text{ User Cost }\\ \text{ (in millions of dollars) }\end{array}\\ 0& \$10& \$5\\ 1& 15& 5\\ 2& 20& 5\\ 3& 25& 5\\ 4& 30& 5\\ 5& 35& 5\end{array}$$ Refer to the data.Suppose that a new government regulation is going to shut down OZ's mining operation one year from now.If the current price per bar of gold is $25,000,how many bars (in thousands) should OZ extract and sell this year?

A) 3.
B) 4.
C) 5.
D) As many as possible.

A vehicle manufacturing company decides to hire 35 employees for its new servicing branch located in Louisiana. A total of 90 eligible applicants apply for the job, of which 40 are black and 50 are white. Assuming that the company decides to hire 10 blacks and 25 whites, what can be inferred using the four-fifths rule?

A) 0.5 < 0.8; this indicates that there is no evidence of discrimination.
B) 2 > 0.8; this indicates that there is evidence of discrimination.
C) The hiring rate for blacks is equal to four-fifths the hiring rate of whites; hence, there is no evidence of discrimination.
D) 0.5 < 0.8; this indicates that there is evidence of discrimination.
E) 2 > 0.8; this indicates that there is no evidence of discrimination.

The case against advertising includes the fact that

A) firms spend large sums of money to create artificial differences among products.
B) it provides consumers with valuable information about product availability, quality, and price.
C) it increases competition by decreasing barriers to entry of new firms into an industry.
D) it ensures high quality and efficient production.

Which of the following social media tools would be the most appropriate way to send a longer message or a document to the audience?

A) Blogging
B) Podcasting
C) Information sharing sites
D) Social networks
E) Wikis

All stakeholder groups have the same expectations of a given organization.

The chronological account of a closure report:

A) explains the report topic.
B) describes problem identification,actions,and results.
C) assesses the success of a project or work.
D) summarizes most important outcomes from the reader's perspective.