What is your standard deviation of demand during lead time if your average lead time = 5 days, standard deviation of demand = 4, average demand is 12, and standard deviation of lead time is 1.2 days.

Adrawback of short-term contracting as an alternative to making a component in-house is thata. it is the most-integrated alternative to performing an activity so the principal company has no control over the agent. b. the supplying firm has no incentive to make any transaction-specific investments to increase performance or quality. c. it fails to allow a long planning period that individual market transactions provide. d. the buying firm cannot demand lower prices due to the lack of a competitive bidding process.