0.6% handling fee is 0.6% rate. Take the principal of 10,000 yuan as an example, and the handling fee is 60 yuan. According to the meaning of the question, the handling fee rate =0.6%. Take the principal of ten thousand yuan as an example. According to the formula: commission = principal * commission rate, we can get the formula: commission = 10000*0.6%=60 (yuan).