What will be the value returned for the following method using values of a $=3$ and b $=3?$

public static int MyMethod$($int a$,$ int b$)$

$\{$

if $($b $==0)$

return $1$;

if $($b $==1)$

return a;

return a $+$ MyMethod$($a$,$ b$-1)$;

$\}$

Group of answer choices

$25$

$16$

$9$

$3$