In the advanced model of our Supply Chain simulation, you can now add a Order Cost to one or several roles.

It will be applied for each non-0 order and can represent fixed administrative or delivery fees.

With a higher order cost, players are incentivized to send larger orders less often, for example order 8 every 2 weeks, instead of 4 every week. They need to make a trade-off vs. stock/holding cost, and may decide to use the Economical Order Quantity.

You can setup the order cost in the capability settings of a role: