I think you are going to need to prepare two separate returns.
To compare https://proconnect.intuit.com/community/tax-filing-status/help/married-filing-jointly-vs-married-fil...
Bad News - PTC does not do the hard part - You need Lacerte to do that. https://proconnect.intuit.com/community/individual/help/how-do-i-split-a-married-filing-joint-return...
