OPINION — AG — THE SALES TO CONTRACTORS AND BUILDERS OF GOODS AND SERVICES TO BE USED FOR COMMERCIAL OR BUSINESS PURPOSES DO NOT COME WITHIN THE SCOPE OF THE OKLAHOMA RETAIL INSTALLMENT SALES ACT OF 1967. CITE: 15 O.S. 1967 Supp., 702 [15-702](1), 15 O.S. 1967 Supp., 701-712 [15-701] — [15-712] (BRIAN UPP)