How do you calculate the revenue 360 and 600?

7. In order to achieve the 20 minute total time from door to when they receive their pie, assuming two ovens are available, what is the daily revenue opportunity it = average pies per hour (arrival rate) m\" p. = number of pizzas served per hour arrival (service rate) n\" wq = Average Waiting Time in the Queue Total shift revenue opp. $360.00 $600.00 Total Daily revenue opp. $960.00