Adinner is $21.25, how much sales tax do you pay if the sales tax is 8%? how much is the tax? what would then be the total bill? how much tip would you leave?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.