2. Case 2: Mr. Li, who works in Dalian, has an only son, a father over 60 years old, two children at school, and a family living in dalian with a loan to buy a house According to "individual income tax special additional deduction" regulation, Mr. Li's special additional deduction amount is: children's education 2000 yuan (husband and wife both parties agree by Li Xansheng deduction), housing loan interest 1000 yuan (agree Li Li deduction), support the elderly 2000 yuan. (1) The monthly salary is 18,000 yuan, and the special deduction of three insurance and one housing fund" is 2,000 yuan (2) Published a monograph and received an remuneration of 20,000 yuan. What is the monthly tax payable of Mr. Li in May 2019? (The minimum threshold for individual salary and salary income tax is 5,000 yuan. See the following table for the tax rate.) (10) Taste Class i taxable income of the whole month B: Not more than 3000 yuan The part over 3000 yuan to 12000 yuan 1 3 10 2 20 4 The poi cadag 2.000 RM25.000 the portion exceeding RM125.000 RM15.000 25 30