1. If the CIF price of a product is USDl00/set, freight charge USDl0/set, insurance premium USDl0/set, commission rate 2%, the commission payment based on CIF price should be
选项：

A:
A: USDI. 60/set ;
B:
B: USD1.63/set;
C:
C: USD2.00/set;
D:
D: USD2.04/set