The procurement cycle occurs at the manufactures' interface and includes all the processes necessary to ensure materials are available for manufacturing according to schedule. During this cycle, the manufacturer orders components from suppliers that replenish the component inventories.

Which answer is most suitable below?

a) In pull processes execution is initiated in response to a customer's order, whereas in push processes execution is initiated in expectation of a customer's order.

b)In pull processes execution is initiated in expectation of a customer's order, whereas in push processes execution is initiated in response to a customer's order.

c)In pull processes execution is initiated in response to a customer's order, whereas in push processes execution is initiated on the expectation of a supplier's order.

d)In pull processes execution is initiated in response to a supplier's order, whereas in push processes execution is initiated on the expectation of a supplier's order.