This would be a customer profile.
Hope this helps.
All of these factors are important to consider EXCEPT "taxes paid on interest" because the banking institution has no control over the tax rate and how much you would be responsible for paying at the end of the year. Tax rates are set by federal and state governments and would be the same rate no matter which savings account you chose.
From the viewpoint of an outsider, an non-owner and an consultant which is a replacement analysis is most objectively conducted. When you are conducting a replacement analysis the most objectively conducted is from the view point of the three which is from an outsider, an consultant and an non-owner.