BENCHMARK		MANAGER A		MANAGER B
	Weight	Return	Weight	Return	Weight	Return
Stock	0.70	(4.70)	0.50	(3.90)	0.30	(4.70)
Bond	0.20	(3.10)	0.20	(2.70)	0.40	(3.10)
Cash	0.10	0.30	0.30	0.30	0.30	0.30

	Selection Effect	Allocation Effect
Manager A	0.48	?????

Looking for Allocation effect Manager A.