An electronic store chain sells headphones. The company is about to introduce new headphone model that is expected to sell very well across its various stores. these are the projected 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
• 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