If the correlation between GDP and y is 0, we say y is

Answer the following statement(s) true (T) or false (F)

1. A budget surplus occurs if the amount of government spending is greater than the amount of tax revenues during a fiscal year. 2. The term "full employment" means that the unemployment rate is equal to zero. 3. Contractionary policies stimulate the economy to grow. 4. If the European economy is booming and US exports increase, aggregate demand (AD) increases. 5. Efficiency wages, a Keynesian theory of unemployment, posits that wages higher than the equilibrium wage are a cause of unemployment.

Refer to Table 1-3. What is Santiago's marginal cost if he decides to stay open for an extra two hours instead of one hour?

A) $18 B) $36 C) $38 D) $102