Mrs. Johnstone, a patient in your office, stops by one morning and asks to pick up her radiographs because she is moving to another city. Kathy, the receptionist, explains to Mrs. Johnstone that her films need to be duplicated, which will take some time. Mrs. Johnstone becomes angry and wants her films immediately, saying, “Those films belong to me. I paid for them, and I want them.” What should Kathy tell Mrs. Johnstone?