Sale Proceeds = Buybox Price - per item fee + FBA fees + variable closing fee + referral fee
Profit = Sale Proceeds - Cost - Inbound Shipping - Prep Cost - FBA Storage Fees
Margin = Profit / Buybox Price
ROI = Profit / Cost
Total COGS = Adjusted Cost * Amazon Pack Quantity / Supplier Pack Quantity * Discount * Supplier Discount
Sales per Month = Units per Month * Buybox Price
Profit per Month = Units per Month * Profit