at a total cost of CHF $$\mathsf{extraction~cost}\ \ =\ \ \max\left\{\ 50,\ 2 \cdot \frac{\mathsf{length}}{10^{5}} \cdot \underbrace{ (\mathsf{width} \cdot \mathsf{cardinality})^{2}}_{\sf\text{rule diagram size}}\ \right\}\ \sf\text{cents (CHF)}$$ $$\begin{array}{r|l} \mathsf{length} & \sf\text{the number of table rows}\\ \mathsf{width} & \sf\text{the number of table columns}\\ \mathsf{cardinality} & \sf\text{the maximal cell value plus one} \end{array}$$