Two cars leave Cagayan de Oro City at 8:00 AM, one heading for Pagadian at 72 kph and one heading in the opposite direction at 63 kph. At what time will they be 540 km apart? (RESCA METHOD PO)

A. They will be 540 km apart after 3 hours, therefore that is at 11:00 AM

B. They will be 540 km apart after 3.5 hours, therefore that is at 11:30 AM

C. They will be 540 km apart after 4.5 hours, therefore that is at 12:30 PM

D. They will be 540 km apart after 4 hours, therefore that is at 12:00 NN