This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to make a portfolio
Include a table of contents.
Portfolios are large, extensive collections showcasing your ability to perform a certain type of work. Including a table of contents makes it easier for prospective employers, administrators, or clients to navigate through your work and immediately access the information they need.

Pick from: (I) Create you table of contents after you finish your portfolio but include the list at the front of your other material. You do not need to list page numbers if you do not include them in your portfolio, but if you do decide to number the pages in your portfolio, list those numbers in your table of contents.; (II) Include a table of contents page at the top of every portfolio page, with page headings about each aspect of the work so employers and clients can compare and learn about the work. You can include any useful information in the table of contents, including report sheets or graphs.; (III) In the first place, the table of contents explains what a portfolio is. It identifies the qualities it presents and produces.; (IV) List your time period, education level, gender, title, position, and most importantly, your expertise in the field. Select a professional professional to present for prospective employers.;
The answer is:
(I)