What is the step by step calculations to get the solution for this question?

c) Calculate the Markowitz tangency portfolio using only A, B and Cand assuming that the inverse VCV is as given below. [5 Marks] B Inverse VCV A B 306 -286 800 79 -222 79 -222 185 -286 A G(r-RF) 1% 6% - 1% B (VCV) G= -14.89 47.36 -14.38 Sum ((VCV) -G) = 18.09 37 W* A W* = (VCV) G/sum((VCV) "G) = B -0.823107 2.618021 -0.794914 C c) Calculate the Markowitz tangency portfolio using only A, B and Cand assuming that the inverse VCV is as given below. [5 Marks] B Inverse VCV A B 306 -286 800 79 -222 79 -222 185 -286 A G(r-RF) 1% 6% - 1% B (VCV) G= -14.89 47.36 -14.38 Sum ((VCV) -G) = 18.09 37 W* A W* = (VCV) G/sum((VCV) "G) = B -0.823107 2.618021 -0.794914 C