1 3,000-4,000 a month if it is a newcomer.
After working for more than 3 years, you can get 6000- 10000 a month.
More than 35 years, one month can do 10 cases. There will be a commission, which should generally be above 20%-30%. Every research institute is different, depending on the basic salary, there are high and low, low and high.