The sales tax would come to a total of $12.78. The total price will be $217.26.
Explanation: first you would multiply 4 x 21.83 and get 87.32. Then with that number, you would add 42.38 and 74.78, and get a grand total of $204.48. Finally, you would calculate the the sales tax (6.25%) and the net price ($204.47) and get the answer $217.26