Finding the Sales Tax at Store A(СЯStore AStore BWhat is the amount of sales tax charged on therepaired computer at Store A?ComputerRepair$1,200$1,350Sales Tax6%7%Gratuity15%15%ShippingFree2% of totalpriceYes

In order to determine what is the amount of sales tax charged on the repaired computer at store A, you take into account that from sales tax you have a 6% of the total sales, which is $1200.
Thus, you calculate the 6% of $1200, as follow:
(6/100)(1200) = 72
Hence, the amount of sales tax charged was of $72