The vertical axis indicates the number of employees, but. the scale was accidentally omitled from this graph. What percent of the employees at the Gauss Company have worked there for 5 years or more?
Answer Choices
A. 9 \%
B. 23 \dfrac{1}{3} \%
C. 30 \%
D. 42 \dfrac{6}{7} \%
E. 50 \%