You can't compare falcon to SLS because Falcon cannot do what SLS does.
You can't compare SpaceX's figures to NASA because NASA has many, many more reporting obligations than SpaceX.
Every report on Falcon 9 costs has made this mistake forever. SpaceX does not release their full costs. What numbers we have for them are PR releases. Meanwhile, NASA's budgets are public and comprehensive, and they have legal parameters on what they have to include in their statements about costs that SpaceX does not have.
You can't compare SpaceX's figures to NASA because NASA has many, many more reporting obligations than SpaceX.
Every report on Falcon 9 costs has made this mistake forever. SpaceX does not release their full costs. What numbers we have for them are PR releases. Meanwhile, NASA's budgets are public and comprehensive, and they have legal parameters on what they have to include in their statements about costs that SpaceX does not have.