How large a rebate should the company offer the buyer in order to max revenue?

Question

A manufacturer has been selling 900 television sets a week at $360 each. A market survey indicates that for each $11 rebate offered to the buyer, the number of sets sold will increase by 66 per week. How large a rebate should the company offer the buyer in order to maximize its revenue?

Answer 1

At $255 you would sell 1530 sets for $390,150.