Which of the following are components of fiscal policy?

Refer to the table above. What is the marginal benefit that Jenny derives from the fifth unit?

A) $0 B) $1 C) $6 D) $30

For a normal good, quantity demanded

a. increases as income rises, so the income elasticity of demand is positive b. increases as income rises, so the income elasticity of demand is negative c. falls as income rises, so the income elasticity of demand is positive d. falls as income rises, so the income elasticity of demand is negative e. remains unchanged as income rises, so the income elasticity of demand is zero