James sees a truck at the dealership for $51,000 base price, $1,300 premium interior, $1,900 navigation touch-screen, and $2,400 smart traffic sensors. If his current vehicle is worth $8,000 and he's offered a 80% trade-in rate, what is the total cost of the car after the $1,200 destination fee? A. $51,400 B. $40,200 C. $57,800 D. $49,800