Samantha operates QuickPack, a local service in Riverside that assists clients with packaging and shipping needs using various carriers including DHL, USPS, and UPS. QuickPack's workflow consists of three main steps. The initial step involves receiving a customer's order, which averages 4 minutes. The second step, packaging the items properly, takes 3 minutes on average. The final step, processing the payment, averages 2 minutes. Samantha manages all these tasks alone. What is the process capacity of QuickPack