The answer C is not correct, could you tell me what is the right answer with a clearly explanation. Thank you!

The diagram shows a pharmaceutical firm's demand curve and marginal cost curve for a new heart medication for which the firm holds a 20-year patent on its production. Price Assume this pharmaceutical firm charges a single price for its drug. At its profit-maximizing level of output, it will generate a total profit represented by MC O A. - it is not possible to determine with the information provided. K O B. the sum of areas A through K. Po O C. areas E + F + 1 + H+G. DO........ C O D. areas F + 1 + H + G+C +B. P. O E. areas J + K. A D Output Qo \\ MR