Database table by name Employee_Records is given below

Employee  Manager   Salary

Naresh     Hari        10000.00

Suresh     Shyam    5000.00

Mahesh    Hari        7000.00

What is the output of the following SQL query?

SELECT Count(*) FROM

( ( SELECT Employee, Manager FROM Employee_Records)

AS S NATURAL JOIN

( SELECT Manager, Salary FROM Employee_Records) AS T );