Combo Line & Scatter Chart

Hello-

I am trying to do a combo scatter and line chart. The scatter portion of the chart is going to show the # of tickets we have completed since each day 2/15/10. The line portion is going to show the ticket capacity depending on how many people we have on the help desk. The info is as follows:

Scatter Chart

# of Tickets
153
155
132
113
93
156
124
154
127
183
167
185
115
160
185
188
189
271
301
138
140
494

Line Chart

Tier 1 Capacity
248
270
293
315
338
360
383
405

I have attached an image (I think) that shows what I want. The line is just drawn on top of the chart. you can see the problem with 2 tickets that should be above the line are below it. The Tier 1 capacity means if all 20 agents are on Tier 1 the max tickets we can handle is 405. If 19 are on Tier 1 and 1 is on tier 2 the max # is 383 and so on.

Any thoughts?

thanks

CLIK