Hello, i am stuck on how to go about these problems. they are for the 2019 tax rates

1). determine the amount of federal income tax liability that would be on a taxable income of $90,000 by a partnership, were no distributions were made to partners

2). determine the amount of federal income tax liability that would be on a taxable income of $90,000 by a limited liability company, where half of the profits were distributed to the owners.

3). determine the amount of federal income tax liability that would be on a taxable income of $90,000 by a limited liability company, where half of the profits were distributed to the owners