According to the Original Tipping Page, www.tipping.org, it is appropriate to tip waiters and waitresses 15%-20% of the pre-tax restaurant bill. The Leeseburgs' dinner costs $49.00 before tax, and the tax rate is 6%.a) What is the tax on the Leeseburgs' dinner?b) If the Leeseburgs decide to tip 20% of the pre-tax bill, how much is the tip?c) What is the total cost of the dinner including the tax and tip?