Hercules Films is deciding on the price of the video release of its film Son of Frankenstein. Its marketing people estimate that at a price of p dollars, it can sell a total of

q = 210,000 15,000p

copies. What price will bring in the greatest revenue?

p = $_____

Hercules Films is deciding on the price of the video release of its film Bride of the Son of Frankenstein. Marketing estimates that at a price of p dollars, it can sell

q = 280,000 10,000p

copies, but each copy costs $4 to make. What price will give the greatest profit? p = $____________