At 12:45 Jimmy left his home in Pinetrees and cycled to visit his grandmother in Oakville. On his way he stopped for 10 minutes in Rowan for a coffee and then he popped in to see his friend in Yewton. He arrived in Oakville at 16:25. Jimmy cycled at a steady speed of 24 km/h and his average speed for the whole journey, including the stops, was 18 km/h. For how long did Jimmy stop in Yewton?
A. 40 minutes
B. 45 minutes
C. 55 minutes
D. 60 minutes