Tide

-10123timenoonmidnightheight of tide3.30 a.m.-0.4 ftnoon2.2 ft7:30 p.m.-1 ftTides at Ocean City on July 16
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 July 16 at Ocean City?
A. 3.2
B. 2.6
C. 2.3
D. 2.7
E. 3.4