A relation can have only one candidate key

Which of the following organizations would most likely not use time-and-material pricing?

a) Automobile repair company b) Engineering firm c) Public accounting firm d) Custom furniture manufacturer

Respondents are shown both control and test ads. After viewing the ads, they are asked what information they recall from the ads and which they liked best. The ads with the highest recall and liking are considered to be the most effective

Identify the laboratory test conducted. A) consumer jury B) portfolio test C) readability test D) theater test