What is the best way to charge a sales rep for COG on customer evaluation units/samples? For example, we have inventory items that were purchased and brought into inventory ($50 for example sake) and then invoiced to Customer X at $174 so we can track pricing. We wish to credit the client for the eval/samples while charging the sales rep for the COG ($50). I created a credit inventory item with a COG GL and add that line at "-$174" but this charges the rep for $174, not the true COG ($50) so that doesn't work.
the only way i can think to do this is to issue a full credit ($174) after invoice to apply to the original invoice ($174), which brings the goods back into stock ($50) and then adjust the goods out to a COG account and use create a "customer account" that is dedicated to the sales rep, and link the adjustment to that customer account so it shows on the P&L for the sales rep.
is there a better way with less steps?