A company had \(1000\) employees at the beginning of the year \(2011.\) If \(p\) percent of the employees present at the beginning of the year left the company during the year and the number of employees at the end of the year was \(r\) percent greater than the number of employees at the beginning of the year, how many employees joined the company during the year \(2011?\)

I. \(p + r = 30\)

II. Had the number of employees leaving the company been \(r\) percent of the employees at the beginning of the year and the number of employees at the end of the year been \(p\) percent greater than the number of employees at the beginning of the year, the number of employees who joined the company would have remained the same.

Answer: A

Source: e-GMAT