Task: Question Answering
Input (English): Problem: company c sells a line of 25 products with an average retail price of $ 1,200 . if none of these products sells for less than $ 400 , and exactly 12 of the products sell for less than $ 1,000 , what is the greatest possible selling price of the most expensive product ? 
Options: a ) 10,000 , b ) 11.0 , c ) 12,000 , d ) 13,200 , e ) 14,000
Output (English): d