Add a minimum of 3 comments to your code. These comments should help explain to other users what should be completed in your code:

Me ! evelyn is a manager in a retail unit. she wants to prepare a report on the projected profit for the next year. which function can she use? a. pmt b. round c. division d. what-if analysis

How can smart devices benefit businesses, organizations, and social communities in the global marketplace?

How many types of string types does python support?