What is the amount of sales tax charged on the repaired computer at Store A?
1. $72
2. $81
3. $720
4. $810
(I am terrible at math, please help!)
![What is the amount of sales tax charged on the repaired computer at Store A 1 72 2 81 3 720 4 810 I am terrible at math please help class=](https://us-static.z-dn.net/files/d3a/6143be2d2ef63a2cf9922276f26148e1.png)