Input Variables  
# Clicks Purchased
Price Per Click
Conversion % to Leads
Conversion % to Buyers
Average Value of Buyer Transaction (Sale or Order Value)
Gross Margin % per Transaction
Calculated Results  
Total Campaign Cost
# of Leads Generated
# of Buyers (Orders) Generated
Revenue Generated
Profit Generated
Campaign ROI $'s
Campaign ROI %
Campaign Breakeven - Buyers (Orders) Needed