If a country's economic data shows private savings of $300 million, government spending of $350 million, tax revenue of $400 million, and a trade surplus of $75 million, then what does investment equal? a. $775 million
b. $475 million
c. $275 million
d. $700 million

Consumers who participate in the sharing economy seem willing to interact with total strangers. despite safety and privacy concerns, what do you think is the long-term outlook for this change in the way we think about interacting with people whom we don't know? how can businesses to diminish worries some people may have about these practices?