The Total Daily Revenue (In Dollars) That Weston Publishing Realizes

Multiple Choice

The total daily revenue (in dollars) that Weston Publishing realizes in publishing and selling its English-language dictionaries is given by ​ ​
Where x denotes the number of deluxe copies and y denotes the number of standard copies published and sold daily. The total daily cost of publishing these dictionaries is given by
​ ​
Dollars. Determine how many deluxe copies and how many standard copies Weston should publish each day to maximize its profits. Please round the answers to the nearest integer.What is the maximum profit realizable? Please round the answer to the nearest dollar.
​

A) 815 deluxe copies, 1,051 standard copies; $13,281
B) 815 deluxe copies, 1,296 standard copies; $13,281
C) 938 deluxe copies, 1,296 standard copies; $8,694
D) 938 deluxe copies, 1,051 standard copies; $8,694
E) 938 deluxe copies, 1,051 standard copies; $15,637