Q is to ________ systems as P is to ________ systems.

A) fixed quantity; fixed period
B) variable demand; constant demand
C) variable lead time; variable demand
D) variable quantity; variable period
E) quantitative; periodic

Fixed Quantity Systems

Inventory control systems where a fixed amount of inventory is reordered when stock levels reach a certain point.

Fixed Period Systems

An inventory management strategy where orders are placed at fixed intervals, regardless of the current stock level.