Tide

-10123timenoonmidnightheight of tide5.30 a.m.0.3 ft1 p.m.2.3 ft5:30 p.m.0 ftTides at Ocean City on June 19
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 19 at Ocean City?
A. 2.3
B. 2
C. 1.7
D. 1.5
E. 1.9