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

Lease	WI	RI	Acreage Contributed	Estimated Net Recoverable bbls
Lease 1	100% Sun State Co.	1/8 John White, 1/9 Jane Black	1,100 acres	400,000 bbls
Lease 2	80% High Plains Ltd, 20% Oceanic Inc	1/3 Tim Brown	850 acres	500,000 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%.