A researcher studying the effect of price promotions on consumers' expectations makes up two different histories of the store price of a hypothetical brand of laundry detergent for the past year. Students in a marketing course are randomly assigned to view one or the other price history on a computer. Some students see a steady price, while others see regular promotions that temporarily cut the price. Then the students are asked what price they would expect to pay for the detergent. Is this study an experiment? Why?A. Yes. Each subject is randomly assigned to a treatment. B. No. Each subject is randomly assigned to a treatment. C. Yes. Each subject is not randomly assigned to a treatment. D. No. Each subject is not randomly assigned to a treatment.