A country's balance of trade of -$20 million shows that its
The collection of import duty is a function of the
An error on an invoice may be rectified by issuing
Use the information below to answer questions 20 and 21.
| Opening stock | 4000 |
| Closing stock | 12000 |
| Purchases | 17000 |
What is the average stock?
The cost of goods sold is
