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

Required B

Assume that more than one product is being sold in each of the four following case situations: $($Loss amounts should sign.$)$

$\backslash$table$[[,$Case $1,$Case $2,$Case $3,$Case $4],[$Sales$,$$$,451,000,$$$,196,000,,,$$$,302,000,],[$Variable expenses,,,,$135,240,,,,96,640,],[$Contribution margin,,,,,,,,,$],[$Fixed expenses,,,,$69,000,,472,000,$E$,,],[$Net operating income $($loss$),$$$,41,850,,,$$$,70,100,$$$,(23,640),],[$Contribution margin ratio $($percent$),,35,,,,78,,,\%$