**1. What is the pricing policy of TP Power?**

TP Power has a global uniform product pricing policy. All TP Power products should has the same retail net price. The final price consists of retail net price, local VAT (Value Added Tax), delivery cost and possible financial service fee (e.g. the PayPal service charge).

**2. How to estimate 3.1% PayPal service fee percentage in our online-shop system for EU customers?**

Let ** P ** € represent the net price of your order, it consists of product net price and delivery cost;

Let

The final VAT (Value Added Tax) is calculated by (

The total cost of your order will be

For EU-customers, the PayPal service fee is simply estimated by

thus, we have the estimation

**3. How to estimate 6.3% PayPal service fee percentage in our online-shop system for Non-EU customers?**

Let ** P ** € represent the net price of your order, it consists of product net price and delivery cost;

Let

The total cost of your order will be

For non-EU customers, the PayPal service fee is simply estimated by

thus, we have the estimation