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

Lease	WI	RI	Acreage Contributed	Estimated Net Recoverable bbls
Lease 1	100% Lone Star Co.	1/8 Greg White, 1/9 Alice Blue	600 acres	230,000 bbls
Lease 2	80% High Plains Inc, 20% Tall Trees Ltd	1/4 Nancy Grey	400 acres	280,000 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 40% and the net recoverable barrels weighted 60%.