Quantitative Problem: You are holding a portfolio with the following investments and betas:

$\backslash$table$[[$Stock$,$Dollar investment,Beta$],[$A$,$$$200,000,1\mathrm{.}35],[$B$,100,000,1\mathrm{.}50],[$C$,500,000,0\mathrm{.}85],[$D$,200,000,-0\mathrm{.}20],[$Total investment,$$1,000,000,]]$

$\%$