Fill in the missing amounts in each of the eight case situations below. Each case is independent of the others.

Required:

a$.$ Assume that only one product is being sold in each of the four following case situations:

b$.$ Assume that more than one product is being sold in each of the four following case situations:

Complete this question by entering your answers in the tabs below.

Required $A$

Assume that only one product is being sold in each of the four following case situations: $($Loss amounts should be indicated by a minus sign.$)$

$\backslash$table$[[,$Case $1,$Case $2,$Case $3,$Case $4],[$Units sold,,$8,300,,,,20,600,,5,200],[$Sales$,$$$,232,400,$$$,333,500,,,$$$,150,800],[$Variable expenses,,$107,900,,,,185,400,,],[$Contribution margin$],[$Fixed expenses,,$92,000,,164,000,,,,74,000],[$Net operating income $($loss$),,,$$$,(4,500),$$$,228,000,$$$,(16,800)$