Which of the many purposes of the project portfolio process are most important to a firm with

Question:

Which of the many purposes of the project process are most important to a firm with a low project management maturity? Which to a firm with high maturity?

Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...