I can't find the answer to this question, can you please help?

Kristen Ashford purchased the subscribers list forWind Surfingmagazine. She plans to survey a sample of the subscribers before using the list in her mail order business. She chooses the first 100 of the 5,000 names. Her sample is a:

Question 3 options:

1)

simple random sample

2)

stratified sample

3)

systematic sample

4)

convenience sample

5)

cluster sample