If the sales tax is 8%, how much do you pay in tax when you buy something listed at $100? $ How much do you pay in total? $

If you buy something at a 10% discount off the listed price of $63, what price do you pay? $

If you buy something at a 10% discount off the listed price of $69, what price do you pay? $

If you buy something at a 30% discount off the listed price of $68, what price do you pay? $