Which of these sentences is correct or illustrates the best style? (Points : 1)

Question

Greg got a new job. He had an interview on Monday. The company hired him that day.
Greg got a new job. He had an interview on Monday, and the company hired him that same day.
When Greg went to a job interview on Monday, they hired him that same day.

Answer 1

Which one do you think it is? I know what I think.

Answer 2

When Greg went to a job interview on Monday, they hired him that same day.When Greg went to a job interview on Monday, they hired him that same day.