Please help ASAP!!

An experiment was conducted to determine the effect of 3 different advertising on the sales of 4 different main supermarket chains. Nine supermarkets from each variety were randomly selected. The 3 advertising were randomly assigned to a supermarket of a particular variety. There were three supermarkets of a particular variety for each advertising. The supermarket's sales were recorded per supermarket.

An experiment was conducted to determine the effect of 3 different advertising on the sales of 4 different main supermarket chains. Nine supermarkets from each variety were randomly selected. The 3 advertising were randomly assigned to a supermarket of a particular variety. There were three supermarkets of a particular variety for each advertising. The supermarkets' sales were recorded per supermarket. Let A represent the advertising factor and B denote the supermarket factor. A. How many levels does factor A have? B. How many levels does factor B have? C. What is the sample size per treatment combination? D. Copy the ANOVA table to your answer sheet and fill in the appropriate numbers in the 12 designated places. Source of SS df MS Variance Between -------------------- Treatments Factor A 1127.46 -------------------- Factor B 2235.24 -------------------- AB Interaction Error 140.25 Total 3653.07 E. Calculate the Fsm and test the hypothesis of no interaction. Write down your conclusion. F. Calculate the FEW and test the hypothesis of advertising affect the sales. Does variety of advertising make a difference