23. Edith purchases a television set from Big Al's Electronic Emporium , agreeing to pay Big Al in monthly installments on a 12- month payment plan . In order to have a perfect security interest in the television set , Big Al Must :" A. File a financing statement with the appropriate public office . B. create a field warehousing arrangement C. have Edith sign another contract recognizing Big Al's security interest . D. not do anything as it is already perfect