A food truck Tripleta operation has two resources: one cook and one order taker/ payment processor (two-step process). The time it takes to perform each task was sampled and the information is below. Use an allowance of 15% for the standard time calculations.

a) What is the maximum # customers served per hour?

b) What is the utilization of the two resources if demand equals 20 per hour?

c) How many more customers could they serve if an additional cook is added to the operation?

Process Data: Prep times in seconds: 134, 124, 156, 121, 128, 111, 167, 155, 117, 134, 120, 159

Order taking/payment times in seconds: 90, 132, 67, 125, 67, 89, 94, 111, 79, 85, 75, 66, 102, 99