Answer:
C
Explanation:
As I can see Maria needs to use a method that will help her provide a set of questions to the client so I'm sure she will need a questionnaire
In my opinion i think it is A
Answer:
You don't have to invest in hardware or a data center, you pay only for the resources that you use, so your cost grows linearly in stead of a big investment. It's capital expenditures vs operational expenditures.
