Which of the following financial ratios is the best measure of how effectively a firm's management is serving its stockholders?

A literature review has all of the following objectives, EXCEPT:

a. provide background information about the current study. b. test a study's hypotheses using secondary data from reliable sources. c. clarify thinking about the research problem. d. help define important constructs of interest to the study. e. reveal whether information already exists to answer research questions.

The following writers typically use examples often:

a. professional writers b. non-professional writers c. both of the above d. none of the above