What is the effect of the nested repetition structures?

int region $=4$;

int $x=0$;

int state $=12$;

int $s=0$;

int city $=3$;

while $)<mi\; id="EditorElement\_20391082">(</mi><mn\; id="EditorElement\_20391076">4</mn>$

$\{$

System.out.printf $("$fnRegion: $8d,x+1$;

$s=0$;

do

$\{$

System.out.printf$("$in state: sd $",$ s $+1)$;

for $($int $c=0$;$c$ city; $c++)$

$\{$

System.out.printf$("\%$n City: sd $",$ c $+1)$;

J$//$END for a from $0$ until city

$st+$;

$\}$while $($s $<mtext\; id="EditorElement\_20390780"></mtext><mn\; id="EditorElement\_20390781">1</mn><mn\; id="EditorElement\_20390782">2</mn><mi\; id="EditorElement\_20390783">)</mi>$; $//$END do$-$while $s<mn\; id="EditorElement\_20390757">1</mn><mn\; id="EditorElement\_20390758">2</mn>$

$r++$

J$//$END while $x<mn\; id="EditorElement\_20390712">4</mn>$

To process only multiple cities.

To process multiple regions only.

To process multiple cities within multiple states for one or more regions.

To process a single percentage regardless of credit score.

To just process multiple states.