Get your taxes done using TurboTax

Can Turbo Tax deterimine if a couple would save money filing separately vs filing joint.  If we input all of the info for both of us and corectly identify who the income and expenses are related to, why can't turbo tax able to prepare both versions?  The tax program can help us to make sure we select Married filing separte, etc. and correctly audit check that both of thus selected standard vs itemized deduction.