The agreed purchase price (including special equipment and accessories) with your retailer is the basis for calculating the monthly leasing rates. This means that if the retailer gives you a discount on the recommended retail price, the lower purchase price will be used to calculate the leasing rates. However, the recommended retail price (UVP) is used for calculating the taxation of private use (0.25% taxation).
For more information, you can find the JobRad FAQ at: https://www.jobrad.org/faq.html