Consider the following method:

public static int mystery$($int n$,$ int x$,$ int d$)\{$

if $($n $==1)\{$

return x;

$\}$

return d $+$ mystery$($n $-1,$ x$,$ d$)$;

$\}$

Question $1\mathrm{.}1$ What is the first method call in the stack frame when calling mystery$(4,6,7)?($NO SPACES$)$

Q$1\mathrm{.}1$ What is the first method call in the stack frame when calling mystery$(4,6,7)?($NO SPACES$)$