Answer:
[tex]50 dollars\\[/tex]
Step-by-step explanation:
The amount paid per month [tex]= 12 dollars\\[/tex]
The total amount paid at the end of 12 months
[tex]= $ 25 * 12\\= 300 dollars\\[/tex]
The finance charged is the amount over and above the cost of CD player
[tex]= 300 - 250\\= 50 dollars\\[/tex]