1. Net purchases have become popular consumption.

2. Within the long-term securities category, foreign net purchases of U.S. Treasury notes and bonds totaled $31.1 billion in July, compared with net purchases of $100.5 billion in June.

3. First, we must calculate net purchases by adjusting cost of goods sold for change of inventory.

4. Net purchases compared to traditional retail consumption patterns more convenient.

5. Low - cost, convenient, environmental protection, the majority of consumers favor is the main reason for net purchases.

6. This equivalent to not money to buy goods, but also experience the convenience of net purchases.

7. Second, cash payments can be adjusted for change in accounts payable based on net purchases.