Problem $4-11$ Using Federal Tax Tables $[$LO$4-3]$

Using the tax table in Exhibit $4-6,$ determine the amount of taxes for the following situations:

a$.$ A head of household with taxable income of $$70,916.$

b$.$ A single person with taxable income of $$70,216.$

c$.$ A married person filing a separate return with taxable income of $$70,501.$