10) Mike works as a corporate trainer, teaching new employees how to perform manufacturing tasks. In which value-chain activity does Mike work?

a. Production

b. Research and development

c. Company infrastructure

d. Human resources

e. Materials management

11) Just-in-time inventory (JIT) systems:

	a.	are used to reduce inventory holding costs.
	b.	save costs by outsourcing inventory management to other companies.
	c.	provide a buffer stock of inventory for a company.
	d.	are used only by manufacturing firms.
	e.	always keep extra inventory on hand for emergencies.

20) Learning effects:

	a.	tend to be more significant when simple steps in an assembly process are performed over and over again.
	b.	lead to diseconomies of scale.
	c.	result in unit manufacturing costs increasing by a certain amount each time output is increased.
	d.	suggest that production costs increase because of increasing labor productivity.
	e.	tend to be more significant when a technologically complex task is repeated.