Which one of the following statements concerning net working capital is correct? A. Net working capital increases when inventory is purchased with cash.
B. Net working capital must be a positive value.
C. Total assets must increase if net working capital increases.
D. A decrease in the cash balance may or may not decrease net working capital.
E. Net working capital is the amount of cash a firm currently has available for spending.

Haley photocopying purchases a paper from an out-of-state vendor. average weekly demand for paper is 150 cartons per week for which haley pays $15 per carton. in bound shipments from the vendor average 1000 cartoons with an average lead time of 3 weeks. haley operates 52 weeks per year; it carries a 4-week supply of inventory as safety stock and no anticipation inventory. the vendor has recently announced that they will be building a faculty near haley photocopying that will reduce lead time to one week. further, they will be able to reduce shipments to 200 cartons. haley believes that they will be able to reduce safety stock to a 1-week supply. what impact will these changes make to haley’s average inventory level and its average aggregated inventory value?