I have requirement to make a line-bar graph in Answers.
metrics that i have to use are Best price, commit price and Close price
so the there would be a three bar showing data for all the the three metric. And there would be a line in the graph that should start from closed price, then go to Closed price + commit Price value and finally end at the value of summation of all three i.e. Commit+ closed+ best. So it would be a 3 bar and a trend line.
To implement that I have tried using union of 3 report and calculated the sum of the required trend line in the reports. So kind of output that i get is :