URI Problem 2745 Solution Taxes - URI Online Judge Solution

URI Online Judge Solution 2745 Taxes Using PostgreSQL Query Language.

You are going to the International Personal Tax meeting and your proposal is: every individual with income higher than 3000 must pay a tax to the government, which is 10% of his/her income.

Show the name and the tax value of each person who earns more than 3000, with two decimal places of precision.

Schema

people
Column	Type
id (PK)	integer
name	varchar
salary	numeric

Tables

people
id	name	salary
1	James M. Tabarez	883
2	Rafael T. Hendon	4281
3	Linda J. Gardner	4437
4	Nicholas J. Conn	8011
5	Karol A. Morales	2508
6	Lolita S. Graves	8709

Output Sample

name	tax
Rafael T. Hendon	428.10
Linda J. Gardner	443.70
Nicholas J. Conn	801.10
Lolita S. Graves	870.90

URI 2745 Solution in PostgreSQL:


SELECT name,ROUND((salary*10)/100,2) AS tax
FROM people
WHERE salary>3000

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