Elaine is the manager of a small toy manufacturer. Her company produces 2,500 toys per week for shipment to retail stores. Elaine wants to know the percentage of toys her company produces that are defective. Which of the following methods would provide Elaine with a representative sample of the toys?

A)Test the first toy produced each week.

B)Assign a number to each toy, randomly select 100 numbers, and test the corresponding toys.

C)Test all toys produced on only Friday.

D)Randomly pick 500 toys produced that day.

E)Select the first toy produced each day of the week and test them. please help