Consider the following covariances between securities:

	Duke	Microsoft	Wal-Mart
Duke	0.0568	-0.0193	0.0037
Microsoft	-0.0193	0.2420	0.1277
Wal-Mart	0.0037	0.1277	0.1413

a) The variance on a portfolio that is made up of equal investments in Duke Energy and Microsoft stock is closest to:

b) The variance on a portfolio that is made up of a $6000 investments in Duke Energy and a $4000 investment in Wal-Mart stock is closest to:

A) .050

B) .045

C) .051

D) -0.020