Your scenario
Contribution = units × (price − variable unit cost). Required discounted units = original contribution ÷ discounted unit margin, rounded up. Fixed costs are unchanged and excluded. The chart keeps original volume constant; no demand response is assumed. A nonpositive discounted margin cannot recover a positive original contribution.
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Scenario chart
Contribution at original volume
The table contains the exact plotted values. Change an input and calculate again to compare scenarios.