Cost Analysis - How is Gross Margin Calculated when Cash Price is used?

If an item is using Cash Price rather than Calculated Pricing. The gross margin will be calculated based on the difference between the cash price and cost. If no cost is filled, or cost is 0, the gross margin will be the same as the cash price; for example line 52 Fig. 1.

Figure 1. GM is calculated based on the difference between the cash price and cost.