What I am trying to do is do a sumif() if the month of the date in Column A is = to the month-year (SEP-15) in column C. An example is as follows:
<tbody>
Date
Charge
Month
$ Paid
27-08-15
15.0
Sep-15
??????
01-09-15
20.0
Oct-15
??????
02-09-15
21.0
05-09-15
5.0
09-09-15
25.5...