If you wanted to find information on who uses various product ...

[audragclark]

If you wanted to find information on who uses various product categories and brands, and what media they use, you could consult:
 
  a. Mediamark Research, Inc. b. Simmons National Consumer Survey
  c. Mediamark Research, Inc. and Simmons National Consumer Survey
  d. Mediamark Research, Inc. and the U.S. Census

Question 2

In what order should you conduct research?
 
  a. State your questions, then conduct primary research, then gather secondaryresearch
 b. Conduct primary research, then secondary research, then state yourquestions
 c. It doesn't matter which order you conduct research
  d. State your questions, then gather secondary research, then conduct primaryresearch

[Jane]

Answer to Question 1

c

Answer to Question 2

d

[audragclark]

Excellent

[chereeb]

Thanks for the timely response, appreciate it