A Spinner Has Equal Regions Numbered 1 Through 15 $\frac { 7 } { 9 }$

A spinner has equal regions numbered 1 through 15. What is the probability that the spinner will stop on an even number or a multiple of 3?

A) $\frac { 7 } { 9 }$

B) $\frac { 2 } { 3 }$

C) $\frac { 1 } { 3 }$

D) 12