how can i combine these two IF statements into one

here is my first IF statement which works as expected:

=IF(J37="No Tax","No Tax",(IF(J37="Tax",0)))

and this next statement also works as expected:

=IF(J37=0.06,0.06*H36,(IF(J37=0.065,0.065*H36,(IF(J37=0.07,0.07*H36)))))

how can i combine these two into one really long IF statement?

thanks for looking at my issue.