Which of the following statements about licensing is true? a) When a product is licensed, the foreign partner will use the licensor's technology as a guide for home country business operations. b) The license fee is eliminated once a negotiated threshold has been reached. c) The license fee could be based on a percentage of final sales revenue of the product or the number of units sold. d) Licensees have the opportunity to expand the license and expand into additional brand avenues at will.