Can someone please answer this question please answer it correctly and please show work please help me I need it

Answer:
B) 11.6 meters below the surface of the water.
Step-by-step explanation:
Take Ben's distance minus Cam's distance.
15.8 - 4.2 = 11.6 meters. They are still underwater, since Cam didn't go a higher distance than Ben.
If this answer is correct, please make me Brainliest!