Task: Question Answering
Input (English): Problem: a certain debt will be paid in 52 installments from january 1 to december 31 of a certain year . each of the first 22 payments is to be $ 410 ; each of the remaining payments is to be $ 65 more than each of the first 22 payments . what is the average ( arithmetic mean ) payment that will be made on the debt for the year ? 
Options: a ) 447.5 , b ) 450 , c ) 465 , d ) 468 , e ) 475
Output (English): a