prog that reads info abt 20 employees & store in array

Question

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Write a program that reads information about 20 employees and store it in an array of structures. The structure of each employee should contain: name (does not exceed 20 characters), ID (int), salary (double) between 200 and 4000, and address which belongs to one of the following {A, B, C, D, E}. The program should then output the following:
1.the average of employee salaries
2.the names of employees whose salaries are above the average
3.compute the employees total tax amount, given that tax amount is 10% of the salary for salaries above 1000 and 5% for salaries below or equal to 1000
4.the list of employees and their information sorted in alphabetical order of name
5.print a table that shows the distribution of salaries over the 5 cities as follows:

Below 1000Between 1000 and 2000Between 2000 and 3000Between 3000 and 4000
A
B
C
D
E