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5.
________ encourage firms to invest in the re-
search and development of new products and production
techniques.
a. patent laws
b. buyers and sellers
c. consumers
6.---------- are large shops which sell a wide variety
of products.
a. grocery
b. green grocery
c. department stores
7. Price is not the only thing that customers
consider when ------- about which product to buy.
a. doing a decision
b. making a decision
c. doing business
8. Customers --------- about the poor quality of
frozen vegetables on sale in our store.
a. did complaints
b. made complaints
c. made research
9. When two or more people want to start a business
together they can set up a ------
a. corporation
b. concern
c. partnership
10. Net profit this year ------- around $ 200 million.
a. should be
b. should have been
c. should being
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