[Solved] Discuss the functions of the penis in its erotic, reproductive, and excretory roles. Principal's Business: The main activities and operations undertaken by a business or organization to fulfill its objectives and generate revenue. Interest: The cost of borrowing money, typically expressed as an annual percentage rate, or the income earned from lending money. Agency Law: The legal principles governing the relationship between an agent, who acts for another person (the principal), and the rights and obligations that arise from this relationship. Business Law: A branch of law that deals with the rights, relations, and conduct of persons and businesses engaged in commerce, merchandising, trade, and sales.