An electronics store chain sells headphones. The company is about to introduce a new headphone model that is expected to sell very well
across its various stores. These are the projected revenue and cost functions for the headphones:
R(x) = -210x2 + 6,970x
C(x) = -170x + 39,690
Which two statements are true?
The maximum profit is $57,834.
The maximum profit is $21,000.
O
A selling price of $27 results in the maximum profit.
A selling price of $17 results in the maximum profit.
A selling price of $16.60 results in the maximum profit.