A restaurant customer left $2.60 as a tip. The tax was 7% and the tip was 20% of the after tax cost. Which information is not needed to compute the bill after tax and tip? What was the total bill?
A.
The tax was 7%.
B.
The customer left a 20% tip.
C.
The customer left $2.60 as a tip.
D.
All of this information is needed to solve the problem.
*blank* was the total cost