Monthly calculation period can be changed by setting last day of monthly period to “Day of Month End”.
Tap “Settings” button -> Choose “Day of Month End” -> Choose the day which you want to set
1. Push “Settings” button
2. Choose “Day of Month End”
3. Choose the day which you want to set
Notice: If day 1 to 14 is selected, items until setting date will be included to last month. If day 15 to 31 is selected, items after setting date will be included to next month.