If a new cd player in north carolina cost $225 and the sales tax is 4.75%, how much will a customer save during a tax-free holiday, when tax does not need to be paid?

In this question , there are several information's that has been provided and are of immense importance. Cost of a new CD player in North Carolina cost $225. The sales tax applied is 4.75%. The amount of savings during tax free period has to be calculated.
Then
The amount of money that the customer will
save during tax free period = 225 * (4.75/100)
                                           = 225 * 0.0475
                                            = 10.687
So the person will save $10.687 or you can take it as $10.69 during the tax free period.

Ok but uh what do you need with?