(1) The sixth grade students in Feng Chun primary school arrange books for the school library. Some data have been recorded in the statistical table. Please complete the statistical table (column type is not required) and answer the questions. The sixth grade students of Feng Chun primary school collate books statistics for the library;

project

Count quantity

Class level

Pareto diagram

The number of books per person is even.

The total number of books is120162013.5, class one is 42 588 14, and class two is 40 462× 40 = 462×11.55.

(3)384÷(384÷8+ 16)=6 (days);

Answer: The task can be completed in six days.

(4)( 1200-800)×5%=20 yuan;

Liu Yun's mother should pay 20 yuan's personal income tax every month.

So the answer is: two.