sabre

This is an example of material that if you want to study it at all, you basically have to put it into Excel.
EOC #1 is essentially a verbatim of the example in the text, except with 4 securities in the active portfolio instead of 3. #2 you can do by copying #1 and deleting rows from the data table where the portfolio weights are negative. It’s hard for me to see how these are feasible to learn without putting them in Excel.