Professional hit   

Playing with the

10000 price list of the needle within: 0.01        10000-20000 needle above: 0.008 yuan

20000 needle above: 0.007 yuan       (will be also more complicated calculation)

the lowest consumption of 30 yuan (i.e.: 3000 pin the following figure) cash price



10000 needle within: 0.001 element   10000-20000 needle above: 0.007 yuan

the lowest consumption of 30 yuan (i.e.: 3000 pin the following figure)

grading according to the size of each code code number 10 yuan. (complex grading another plan, simply no fee)