This would be the opportunity cost: the cost on missing out on different opportunities once one opportunity is chosen. So if you choose A over B, the opportunity cost is the gain you could have had if you'd chosen B (even if you anyway couldn't have chosen both in the first place!)
Answer:
C
Explanation:
C.Tabloid publications about celebrities and crime
Answer:
Questionnaire
Explanation:
A questionnaire is a research tool that is consists of a series of questions and that used for collecting information from the population. It is a kind of written interview conduct by a researcher to the population for gathering information. These are carried out by the researcher's face to face interviews, collection the information through phone or by post. It is a cheap and very quick way to get information. It is not a time-consuming process. Because the researcher need not be there with the participants. There could be a closed question, opened question in the questionnaire.
