Go to the next tab: report-> expenses report: 




There is a few ways to filter the report: by choosing one employee or all employees, based on a date range or based by certain month, after you filter press on "search":



for example: employee named dani demo by December:


We can see that dani demo had three different expenses on December: Gas- 100 shekel, Parking- 60 shekel, and other- Office supplies 100 shekel. 

you can see the sum of all- 260 shekel.