Tide

-10123timenoonmidnightheight of tide4 a.m.-0.2 ft11 a.m.2.2 ft6:30 p.m.-0.8 ftTides at Bay Cove on January 10
The graph above shows the height of the tide, in feet, above or below a baseline. Which of the following is closest to the difference, in feet, between the heights of the highest and lowest tides on January 10 at Bay Cove?
A. 3
B. 2.4
C. 2.7
D. 2.8
E. 2.2