Для начала, чисто грамматические и фактические правки :
- "Why it’s done this way? " --> "Why is it done this way?"
- "the model ‘Weighted Average [per period]’" --> "the 'Weighted average [date] model"
- "the model ‘LIFO’" --> "the 'LIFO' model"
- "until the last arrival in the period hasn’t been registered" --> "until the last arrival in the period has been registered"
- "and to prevent" --> "and prevent"
- "the insertion of new receipts and issues in behindhand might lead to inconsistency in existing settlements and corrupt the prime cost" --> "inserting behindhand receipts and issues might cause the inconsistency of existing settlement and corrupt the prime cost"
- "start a recalculation procedure instead of a closing" --> "start the recalculation procedure instead of the closing" (речь о вполне определенных функциях, а не о процессе, по-моему)
- "The inventory closing as it is consists of the following steps:
1. Reconciliation of issues and receipts, calculation of an initial issue cost price;
2. A run through the graph of all inventory movements with adjustments being worked out;
3. Booking in the General Ledger.
Let’s consider each of these steps in detail."
-->
"So the inventory closing is combined of the following steps:
1. Reconciling issues and receipts, calculating initial issue cost price;
2. Traversing through the inventory movements and adjusting the cost price of single transactions;
3. Booking the adjustments to GL.
Let’s elaborate on each of these steps."
Уф... Последний абзац чуть попозже.
P.S.: А может нам какую-нибудь Wiki-страницу для этого дела организовать, чтобы можно было править текст, и правки при этом были хорошо видны?