Question 10: When did the candidate come across the advertisement for…

Read the following exchange and answer the given subquestions.
Mr. A: Welcome to our company.
Mr. B: I am glad for the chance to be interviewed.
Mr. A: What specific job are you applying for?
Mr. B: I am an electrical engineer (double E) and I would like to try to get the job you advertised on the internet last week.
Mr. A: I see from your resume that you are very experienced.
Mr. B: Yes, I've worked as an electrical engineer for 10 years now. But I think it is a good career move to join your company.
Mr. A: Why did you leave your former company?
Mr. B: I left the company for better career opportunities.
Mr. A: Okay.
Mr. B: So you’ll give me the job?
Mr. A: Yes, but for the first three months you will be on probation with half-pay. After that you will be a full employee of the company. Do you have any more questions?
Mr. B: What is the salary?
Mr. A: 50k per year
Mr. B: Sounds good. When do I start?
Mr. A: Report to the engineering dept. on Monday at 9:30 am.
Mr. B: Great, thank you.
Mr. A: I look forward to working with you.

When did the candidate come across the advertisement for the job?