There are many pros and cons associated with both buying and building software. Provide an example of when you think it would be appropriate for a company to buy software. Provide an example of when it would be appropriate to build software. As an IT manager, what would be your preference?
A google search using a phrase such as “buy vs build software” will bring up lots of great information on this topic. I viewed the images associated with that search phrase and images depicting decision trees could be useful to you.