An Efficient Supply Chain and Information System Can Improve a Retailer's

An efficient supply chain and information system can improve a retailer's return on assets (ROA) because the system

A) increases sales and net profit margins, without increasing inventory.
B) increases sales and net profit margins by increasing inventory.
C) reduces sales, but increases net profit margins by increasing inventory.
D) reduces net profit margins, but increases sales by increasing inventory.
E) reduces net profit margins by festering sales, without increasing inventory.