Find the best answers to your questions at Westonci.ca, where experts and enthusiasts provide accurate, reliable information. Experience the convenience of finding accurate answers to your questions from knowledgeable professionals on our platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

The cost of producing 390 mp3 players is $3415. Producing 670 mp3 players would cost $5375. Find the average cost per mp3 player of the additional 280 mp3 players over 390.