Two leases in Southern Texas are being combined to form the South Field Unit.

• Lease 1:
   WI: 100% Sun State Co.
   RI: 1/8 Mark Black
   1/9 Lisa Green
   Acreage contributed: 600 acres
   Estimated net recoverable bbls: 240,000 bbls
• Lease 2:
   WI: 80% High Plains Ltd
   20% Oceanic Inc
   RI: 1/3 Jack White
   Acreage contributed: 400 acres
   Estimated net recoverable bbls: 310,000 bbls

Requirement:
 a. Calculate the participation factors for each party based on the acreage contributed.
 b. Calculate the participation factors for each party based on the net recoverable barrels contributed.
 c. Calculate the participation factors for each party based on the acreage contributed weighted 50% and the net recoverable barrels weighted 50%.