Three restaurants are compared along the dimensions of responsiveness and cost performance, as shown below Responsiveness High 3 min 5 min O Restaurant B 10 min Restaurant Low 15 min Restaurant 56 Low $5 $3 Cost Performance (eq. Sicustomer) High Which of the following conclusions can be drawn about restaurant C? Multiple Choice It is efficient It is on the efficient frontier Multiple Choice It is efficient. It is on the efficient frontier. O It is inefficient It Pareto dominates A