Analisis Penentuan Objek Pajak Penghasilan atas Royalti dan Imbalan Jasa Teknik pada Perusahaan Periklanan Digital di Indonesia (Studi Kasus Transaksi PT GNC dengan Para Vendor) = Analysis of The Determination of Income Tax Objects on Royalties and Technical Service Fees at Digital Advertising Compay in Indonesia (Case Study of PT GNC Transactions with Vendors)