Andrea has found in a yearly inventory that the company she works for has multiple servers still running an operating system version that is no longer supported by the manufacturer. Company policy dictates that since there is an expense involved as well as quite a bit of work, she cannot just install a newer operating system on those servers. Instead, she needs to present a plan to a group of people as to how the upgrade process would go and get the go$-$ahead to spend the money and time working on it$.$ Which of the following is the group of people who would need to approve the request?