A manufacturer of an external hard disc provided the informationthat when the price per external hard disk is RM89, then 1 millionhard disc will sell. When the price of each hard disc is RM79, then3 million hard disc will sell. The cost of producing and selling ?million hard disc is ?(?) = 19? + 156.25. a) Find a linear demandfunction where ? is the number of millions of hard discs sold and ?is the price of each hard disc in RM. b) What is thecompany’s revenue function for this hard disc? c) What isthe company’s profit function? d) How many hard discsmust be produced and sold so that the company will have a maximumprofit? e) What is the price of hard disc when thecompany is maximizing their profit? (1 mark)
