In 2018, Juanita is married and files a joint tax return with her husband. What is her tentative minimum tax in each of the following alternative circumstances? (Use the Dividends and capital gains tax rates.) (Input all values as positive. Leave no answer blank. Enter zero if applicable.)

Her AMT base is $405,000, all ordinary income.

1) AMT Base ___

2) Dividends taxed at a preferential rate ___

3) Tax on Dividends ___

4) AMT base taxed at regular AMT rates___

5) Tax on AMT base taxed at 26% rate ___

6) Tax on AMT base taxed at 28% rate ___

Tentative minimum tax ___