A country imports goods and services worth $700 million and exports goods and services worth about $500 million. This means that the country has an)
a. trade surplus
b. trade deficit
c. comparative advantage
d. absolute advantage

The occupational safety and health administration promulgated a rule requiring warehouse employees to wear hardhats when in the vicinity of an operating forklift. the purpose of the hardhats is to protect employees from danger of falling objects. this rule is