Explain in about

(a) Three major factors that affect safety inventories of the retailers.

(b) Three major factors that lead to large cycle inventories of the manufacturers.

(c) Implications of the square root law.

(d) Similarity and differences between Moving Average and Simple Exponential Smoothing for forecasting.

(e) Difference between quantity-based discount and volume-based discount, and how do they affect cycle inventories.