The Figure Shows the Results of a Survey in Which $d = 8 \%$

Multiple Choice

The figure shows the results of a survey in which auto racing fans listed their favorite type of racing.What is the probability that an auto racing fan selected at random lists Formula One $d = 8 \%$ or motorcycle racing $c = 10 \%$ as his or her favorite type of racing? ( $a = 53 \%$ , $b = 18 \%$ ) ​ ​

A) $\frac { 50 } { 9 }$
B) $\frac { 1 } { 50 }$
C) 1
D) $\frac { 9 } { 50 }$
E) $\frac { 2 } { 25 }$