Firms are ________ with an economic profit of zero, they will ________ in the industry since they ________ be better off in another industry

If the money supply in an economy is $100,000, currency in circulation is $50,000, amount in savings accounts is $18,000, travelers' checks is $12,000, and the amount in money market accounts is $9,000,

then what is the amount held in checking accounts in the economy?

The table gives data for a nation. What is the amount of the country's GDP?

A) $6,000 billion B) $6,200 billion C) $6,900 billion D) $5,800 billion E) $6,600 billion