Tide

-10123timenoonmidnightheight of tide5 a.m.-1 ftnoon2.4 ft7:30 p.m.-0.2 ftTides at Henlopen Park on June 7
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 June 7 at Henlopen Park?
A. 3.4
B. 2.6
C. 2.4
D. 2.5
E. 3.1