These are the costs you incur in relation to your sales plan and vary depending on the plan selected.
Sales commissions :
These costs are charged per item sold and include referral commissions (which are a percentage of the sale price and vary depending on the product category) and variable closing commissions (which only apply to Media categories).
When you handle orders yourself, Amazon shipping rates apply. Shipping rates are charged based on the product category and shipping service selected by the buyer.
Amazon Logistics Rates:
For products handled for you by Amazon (known as Amazon Logistics), fees are charged for order handling, warehousing, and optional services.