Supply & Demand is a main story mission in GTA Vice City, given by Ricardo Diaz.
It's the 16° GTA Vice City mission in chronological order, and it becomes available after completing The Fastest Boat.
Tommy completes a drug deal and takes out several gunmen in a speedboat chase.
Supply & Demand: Mission Objectives
- Go to the fastest boat at the jetty.
- Beat the other buyers to the yacht.
- Protect the yacht while Lance drives it back to the mansion.
Supply & Demand: Mission Info
- Mission Number 16
- Mission Giver
Ricardo Diaz - Mission Type Mandatory Mission
- Location Diaz's Mansion, Starfish Island
- Available After Mission (Story Mode)
- Required for 100% Yes
- Rewards $10,000; Black Tracksuit appears outside Jocksport in Downtown Vice City
- Unlocked Items
Death Row - Featuring
Cuban Jetmax 
Marquis 
Sparrow 
Speeder 
Squalo 
Lance Vance 
Cubans 
Diaz's Gang - Notes In the second half of the mission, the Ruger will have unlimited ammunition.