The scale on the left looks like based on the highest in the chart, however, when I check the specific expenses of a month first, I could move the mouse hovers over the blank (as in the red arrow of right), but when I want to see the highest one, there is no blank to hover over(as in the red arrow of left) in the below chart.
https://fava.pythonanywhere.com/example-beancount-file/income_statement/
The scale on the left looks like based on the highest in the chart, however, when I check the specific expenses of a month first, I could move the mouse hovers over the blank (as in the red arrow of right), but when I want to see the highest one, there is no blank to hover over(as in the red arrow of left) in the below chart.