Data for a Factory -
the Theory of Constraints Has Its Own Special Definitions

Data for a factory
$\begin{array}{ll}\text { Total factory cost } & £ 10,000 \\\text { Total time au ailable on key resource (hours) } & 2,500 \\\text { Contribution per unit product A } & £ 34.00 \\\text { Contribution per unit product B } & £ 30.00 \\\text { Contribution per unit product C } & £ 22.00 \\\text { Contribution per unit product D } & £ 20.00 \\\text { Hours required product A } & 12.0 \\\text { Hours required product B } & 6.0 \\\text { Hours required product C } & 6.0 \\\text { Hours required product D } & 8.0\end{array}$

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The theory of constraints has its own special definitions

A) Net profit = throughput - operational expense
B) Net profit = throughput + operational expense
C) Net profit = throughput - operational expense - fixed overheads
D) Net profit = throughput - operational expense - variable overheads