Jon Peltier has instructions for adding a horizontal line to a chart:

http://www.peltiertech.com/Excel/Cha...s.html#AddLine


curtis_tx wrote:
I want to do a Clustered Column or Stacked Column chart with a line above the
columns that represents a maximum, like total available hours for the
timeframe represented by the columns.


--
Debra Dalgleish
Excel FAQ, Tips & Book List
http://www.contextures.com/tiptech.html