Net Income Planning

Selected operating data for Venora Company in four independent situations are shown below.

Fill in the blanks for each independent situation.

$\backslash$table$[[,,A,,,$B$,,,$C$,,$D$,],[$Sales$,,$$$410,000,,$$$,129,000vv,$c$.,$$$,530,000vv,$e$.,$$$630,000,],[$Variable expense,$$,270,000vv,$a$.,,$$$57,000,,$$$,159,000vv,$f$.,$$$378,000vv,$g$.],[$Fixed expense,$$,10,000vv,$b$.,,$$$56,000,,,$$$240,000,,$$$270,000,],[$Net income $($loss$)$ before tax,,$$130,000,,,$$$16,000,,,$$$131,000,,$$$(18,000),],[$Units sold,,$7,000,,,213,000,$d$.,,,,,],[$Unit contribution margin,,$$20,,,$$$9,,,,,$:$,],[$Contribution margin ratio,,,,,,,,$0\mathrm{.}7,,401,$h$.]]$