Store A sells a computer for 1,200. The computer is in sale for 15% off. The sales tax is 5.4%. What I the total cost of the computer? A discount of 15% is the same as paying 85% Paying a 5.4% sales tax is the same as paying 105.4% (1.054)(0.85)(1,200) = 1,075.08 The total cost is $1,075.08 1. Store B sells the same computer as in the Example for 1,300. Store B offers a 20% discount on the computer. The tax rate is the same. Which store has the lower total price? How much lower?