KB440361: Line color in graph changed when all values of a metric hit the threshold

Steps to reproduce:

1. Create a dataset with Year attribute and Cost metric in Tutorial.
2. Create a RS document based on this dataset.
3. Define a threshold: Cost value less than 8000000 and fill color is Yellow
4. Create a line graph like the below

Notice: There is a yellow dot show the threshold correct. The line remains the same color.

1. Change the threshold to: Cost greater than 6000000

Notice: all the line color become yellow.
The line color should stay the same while the data markers show the threshold color.
RESOLUTION
Current behavior is by design. When two markers meet the threshold condition, the connecting line will show the defined threshold color. 
 
We have no plan to change this design in near future.
Article Reference Number: 
  KB440361