Please explain part e!

1. To comply with the city's safety protocol amid COVID spike, Cassell's Hamburger accepts only take- out orders. The shop has two cashiers, three cooks and two assemblers. A customer first makes an order and pays the money to the cashier, after which he waits for the order to be cooked and assembled. It takes on average 30 seconds to place an order, 30 seconds to make the payment, 10 minutes to cook and 3 minutes to assemble an order. a) What is the capacity of the cashiers (in jobs per hour)? 120 jobs/hour b) What is the capacity of the cooks (in jobs per hour)? 18 jobs/hour c) What is the capacity of the assemblers (in jobs per hour)? 40 jobs/hour d) What is the capacity of Cassell's Hamburger (in jobs per hour)? Briefly explain. 18 jobs/hour e) What is the capacity of Cassell's Hamburger if cooks and assemblers are cross-trained? 23.08 jobs/hour