Match the words and expressions on the left with the explanations on the right.
21. export earnings
22. portfolio
23. insurance policy
24. acquisition
25. drawer
26. clean credit
27. purchase contract
28. sight credit
29. integration
30. specific duties

a. a credit that does not require shipping documents for payment
b. company expansion through the purchase of other business
c. a credit by which payment can be made upon presentation of the draft
d. a contract made by the buyer
e. combining into a whole
f. money earned on the sales of goods to other countries
g. duties levied on the basis of quantity, weight, size etc. of the goods
h. a document used for covering possible risks
i. the entire collection of investments in the form of stocks, bonds, or certificate of deposits for purposes other than controlling
j. the person who issues a draft, usually the exporter