Okay I don't understand this. We have only used 49.09 MB out of 100.00 MB and Koodo is charging us $5 for zero MB of data useage. This makes no sense. .
It's the way the billing occurs. Sometimes it's a little delayed, but not always affiliated with the day the useage occurred. Same happened when I used texting in the States. Because you used data on the 11th and 12th, this was "billed" on a day you happened to use 0mb. Doesn't really affect anything as you weren't overbilled... The system just billed you on a different day.