Edna established a Coverdell ESA for her grandson when he was born. He has not used the funds in the ESA, and she wants to roll them over for a different grandchild. How long after Edna receives the ESA funds must the rollover occur:

Which of the following best explains how trade enables greater specialization among producers? a. trade diversifies the market by bringing specialized goods from around the world. b. trade requires distribution networks and adds one more step to the production process. c. trade enables producers to open up new markets for their goods and services. d. trade allows people to focus on one kind of production and trade for their other needs.