Two components, A and B ate used as follows: Normal usage Minimum usage : Maximum usage : Re-order quantity: Re-order period : Calculate for each component (a) Re-order level, (b) Minimum level, (c) Maximum level, and (d) Average stock level. : 50 units each per week 25 units each per week 75 units each per week A: 300 units; B: 500 units A: 4 to 6 weeks; B: 2 to 4 weeks