In the rule “Boring Box Company”, replace the sentence starting with “A box has properties” with:

A box has properties for material, size, and value.

In “Manufacturing”, replace the atomic action to produce a box with:

* Choose any material from the materials table.
* Choose any integer from 1 to 10 (inclusive) for the size of the box.
* Multiply the material’s value by the box’s size to determine the box’s value.
* Add the new box to the Warehouse.
* Decrease the company budget by the value of the box.