Jay has 12 classic cars in his garage. He paid $3,500 for each car 5 years ago. The cars are currently worth $4,200 each. How much more must the average value of the cars rise for the combined value of these 12 cars to be exactly $10,800 more than Jay paid for them? A. $200.00 B. $700.00 C. $800.50 D. $841.67 E. $958.33