a jacket has a regular price of $80. it is on sale for 10% off. the sales tax is 7%. cost calculated by first applying a discount, then sales tax. what is the total cost of the jacket including tax?

Answer:
B
Step-by-step explanation:
0.10 × 80 = 8
80 - 8 = 72
0.07 × 72 = 5.04
72 + 5.04 = 77.04