The Editors at Snoozeweek, a News Magazine, Constantly Alter the Proportion

Multiple Choice

The editors at Snoozeweek, a news magazine, constantly alter the proportion of celebrity photographs and mundane news stories so as to maximize the number of copies sold.A statistical consultant has estimated sales to be S = 1,000C0.60N 0.50, where C is the number of celebrity photographs and N is column inches of news stories.If the editors only have $11,000 to spend on each edition with celebrity photos costing $400 each and news stories costing $10 per column inch, what should the editors do?

A) Purchase 10 celebrity photos and 700 column inches of news stories.
B) Purchase 15 celebrity photos and 500 column inches of news stories.
C) Purchase 11 celebrity photos and 660 column inches of news stories.
D) Purchase 13 celebrity photos and 580 column inches of news stories.
E) Purchase 20 celebrity photos and 300 column inches of news stories.