11 A family went out to dinner. The cost of their meal was $689, before sales tax and tip. A sales tax of 8% was added. (a) The family then tipped 20% on the amount after the sales tax was added. Part A What was the amount, rounded to the nearest cent, of just the sales tax? Show all of your work and record your final answer in the space below. Click the box below to type your math work and answer.