Practice the dialogue below in front of the class with your partner! Then answer the questions!

Customer: "I want to rent a safe deposit box."

Mrs. Ratih: "What is the purpose of renting the box?"

Customer: "I want to put securities, like the certificate of the house, the car. I also want to put the valuables, like gold."

Mrs. Ratih: "We have three sizes of deposit box. Small, medium, and large."

Customer:  "How much do you charge for medium?"

Mrs. Ratih: "Six hundred thousand rupiahs per year."

Customer: "I'll take it. Please debit my account."

Mrs. Ratih: "All right. Here is the key." Customer : "Thank you."

Mrs. Ratih: "You are welcome." 

How many sizes are the box?