Create Reports Menu

[TheCSharpAcademy]

Create a Menu, based on an enum, with the following:
SalesPerMonth
SalesPerYear
SalesPerDay
SalesPerWeek

Create a ReportsService with methods for the options in the menu. Those methods souldn't be implemented yet.
Experience points: 10
For first-timers: 30

[StanimalTheMan]

Do I close this issue? Thanks.