Hey QS Experts! I extremely need your help
I have Monthly Sales for 3 years and I'd like to compare accumulated sales from first year day for every month
I use RangeSum formula but it doesn't work properly (see attach. screens)
So on the last picture Accumulated graph values should be 400 600 & 900
![Снимок экрана 2020-03-24 в 13.16.01.png Снимок экрана 2020-03-24 в 13.16.01.png](https://community.qlik.com/t5/image/serverpage/image-id/30507iE5CD98E99B3A9119/image-size/medium?v=v2&px=400)
![Снимок экрана 2020-03-24 в 13.21.20.png Снимок экрана 2020-03-24 в 13.21.20.png](https://community.qlik.com/t5/image/serverpage/image-id/30508iAE13641578257446/image-size/small?v=v2&px=200)