Iversification and Portfolio Risk (Security Analysis and Portfolio Management)

I have done the calculation for question no. 1-4 and the efficient frontier diagram in Microsoft excel. However, for no. 4 I havent plot the two assets and the minimum variance portfolio on a diagram. Then, please do part e-g in the hints for main assignment sapm. Please write introduction, method section, result section and conclusion (comments and report) in Microsoft words. Please do all calculation in Microsoft excel. Please refer to the instructions that attached.