inventory
stock of goods used in an organization
what kind of inventory does it include?
raw materials, WIPs, component parts, maintenance + repair, finished products, and in-transit inventory
what is the goal of inventory analysis?
when to order and how much to order
what are the three types of inventory models?
single period, fixed order quantity, and fixed time period model
single period model
used to handle the ordering of one time items like perishables and products that have a limited lifetime
fixed order quanity
AKA economic order quantity. the amount of inventory is replenished by a fixed quantity. it gets replenished when it hits a certain point.
safety stock
the amount of extra inventory to protect itself from selling out
fixed order interval model
AKA fixed time period model. orders are placed at fixed time intervals. if demand varies, the order size will vary from cycle to cycle.
average inventory
expected amt of inventory over time.
inventory turns
number of times inventory is cycled through over time