Ichiro,a Japanese Student,wants to Sell His Used Book That He's

Ichiro,a Japanese student,wants to sell his used book that he's had for a decade.Kent,an American student,wants to sell the exact same book,which he has also owned for a decade.They price their respective books depending on how much they think the books are worth.The books themselves are valued at $50.Which of the following best predicts what the two price tags will most likely be?

A) Ichiro: $50;Kent: $50
B) Ichiro: $20;Kent: $15
C) Ichiro: $60;Kent: $50
D) Ichiro: $70;Kent: $20
E) Ichiro: $30;Kent: $60