In the Lead process if the BP wans to sale his own vehicle, user selects from Menu Action Buttons Actions>>Trade In>>Add Trade in Vehicle
User completes popup window with following mandatory fields:
- Make - The Make of BP's vehicle
- VIN - The VIN of BP's vehicle
- Mileage - The miles of BP's vehicle
- License Number - The License Number of BP's vehicle
- Calculated TradeIn price - The price of BP's vehicle
The user selects the 
button to add a TradeIn vehicle to lead.
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