10. Three boys namely, Mark, John, and Michael made a race. They all started at 7:10 in the morning. Mark finished the race at 7:28 a.m., John at 7:32 a.m., and Michael at 7:38 a.m. About how many minutes did Mark finish the race? A. 22 minutes B. 28 minutes C. 18 minutes D. 35 minutes​