In 2010, a country imported goods worth $500 billion and exported goods worth $443 billion. it exported services worth $248 billion and imported services worth $330 billion. payments on investments abroad totaled $199 billion, while returns paid on foreign investments were $125 billion. unilateral transfers from the country to other nations amounted to $94 billion. what was the country’s current account deficit for 2010?
a. $70 billion
b. $159 billion
c. $142 billion
d. $65 billion

Iceberg storage, a leading hard drive manufacturer, recently filed for bankruptcy. while most of iceberg's competitors were shifting away from physical data storage devices toward online cloud storage services, iceberg invested most of its retained earnings in the effort to improve its hard drives. once the hard-drive market drastically declined, iceberg storage was unable to capitalize on the new technology. which of the following does this scenario best illustrate a. causal ambiguity b. knowledge diffusion c. social complexity d. path dependence