A researcher studying the effect of price cuts on consumers' expectations makes up two different histories of the store price of a hypothetical brand of laundry detergent for the past year. Eight students in a class view one or the other price history on a computer. Some students see a steady price, whereas others see regular sales that temporarily cut the price. Students are asked the price they would expect to pay. The names of the eight subjects follow. 1. Franklin 2. James 3. Wright 4. Edwards 5. Rust 6. Walsh 7. Gofberg 8. Williams

The experimental units areA. all business students at the college. B. the eight business students who participated. C. the business students who were in the fluctuating price group. D. the price they would expect to pay.