need formulas posted in excel

Fil Question3 Lir Suppose that the return statistics far stocks A and B are as indicated in the excel fle. What is the standard deviation of the minimum variance portfolio? Paste RETURN STATISTICS OF A AND B Stock A Stock B 25%| 15%| 0.16 0.0484 40.00% 22.00%, 3 Average retun 4 Variance 5 Standard deviation 6 7 Covariance of return, Cov)0.0880 9 Answer 10 Correlation 11 Proof 12 Proportion in A 13 Proportion in B 14 Portfolio variance 15 Portfolio sigma 16 17 18 19 20 21 23 24 25 26 27 28 29