Show the Data Labels

The Chart Data Labels display the numbers (money) for each Column. The Data Labels can be shown inside or outside the Column.

5. Try it: Find the Data Labels

The Chart is still selected.

Go to Chart Elements -> Data Labels.
 

What Do You See? There are several options:

Center

Inside End
Inside Base
Outside End
Data Callout
More Options...

OK, Try it: Show the Data Labels

Click on: Data Callout.

Not bad. There's more...

Exam 77-420 Microsoft Excel 2013
5. Create Charts and Objects 
5.2 Format a Chart: Apply Chart Layouts and Styles (Chart Elements) Data Label Options