Academia.edu is a social networking website for academics.[4][5] The platform can be used to share papers, monitor their impact, and follow the research in a particular field.
The difference between POS transactions and ACH transactions is that POS transactions are complete the minute the customer purchases a product and/or service. ACH transactions can still vary from one to three days due to the fact that the transactions must first be âbatchedâ electronically, before they are sent to the Clearing House and/or the Federal Reserve.
http://www.sap-img.com/financial/difference-between-cost-centers-and-internal-orders.htm. Internal Orders are used for short term purpose like Trade Fairs, Job Fairs etc., where as Cost Centers are used for long term purpose to capture the day to day costs. Finally you have to settle the Internal orders to any cost object, wherein Cost centers are used to distribute/assess the costs of the company they are not settled.