How to create a dotted forecast line in excel

Creating a line graph with a forecast line

[ryannguyen]

Great job Brian. I came across this tutorial while looking for how to do this, exactly what I need!!

[shahabrashid]

Amazing my brother....exactly what i wz looking for...now my time to be superiror in front of Project Manager 🙂 thanks

[binggregory]

For march 16th, at $350 how do I show a dotted line to connect that point to the date and the amount?

[al-anoud-]

This is looks so simple but it does not work for me, all i got is another line at the right top :(