How to create an internal SO where we can change where the costs are charged, vs. a COGS account?

Created from related thread: 4477201

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How to create an internal sales order where we can change where the costs are charged, i.e. department and specific expense account vs. a COGS account? And also populate the sales order with the current item cost, in our case we use average costs?

We use Inv. Adjustments to issue material to other groups out of the stockroom. We are a molecular diagnostic testing lab, so no finished goods shipping, but we have a warehouse full of inventory used to support lab operations. We also don't use work orders to track consumption (they don't work for our industry, but that's another detailed discussion), we use Inv. Adjustments to issue materials out of stock to get the charges into the right dept & GL according to using/requesting group.