Management and administration of business affairs for media productions, namely, managing and coordinating media productions, business assistance advisory services in the nature of budgeting and estimating costs for media productions, billing and payroll processing services for others, and financial record-keeping for regulatory compliance purposes; business advisory services in the field of compliance with codes and regulations of labor unions and guilds; negotiation of business contracts for others including celebrity and union talent; commercial administration of the licensing of goods and services of others