O AUS-based manufacturer of sunscreen is contemplating using funds to purchase outside advertising a major beni malches such as the French Open and the Australian Open. Advertising at such well viewed international events will then at the domesties of the manufacturers products. Which of the following factors is the most relevant when analysing this decision? OA the cost of the existing advertising campaign OB. the manufacturing process of the sunscreen OC. the cost of the courtide advertising at the tennis matches OD the cost of the machine used to produce the screen