Exercise $12-13($Algo$)$ Understanding CVP relationships LO $12-7,12-9$

Calculate the missing amounts for each of the following firms:

Note: Do not round intermediate calculations.

$\backslash$table$[[,,$Sales,$\backslash$table$[[$Variable$],[$Costs$]],\backslash$table$[[$Contribution Marg$],[$Ratio$]],$rgin,Fixed Costs,$\backslash$table$[[$Operating$],[$Income $($Loss$)]]],[$Firm A$,$$$,321,000,,34\%,\%,,37,212],[$Firm B$,,,468,000,,\%,118,000,74,115],[$Firm C$,,128,000,,25\%,\%,37,900,],[$Firm D$,,,56,000,22\%,\%,,(4,945)$