(Advanced analysis) In a private closed economy, (a) the marginal propensity to save is 0.25, (b) consumption equals income at $120 billion, and (c) the level of investment is $40 billion. What is the equilibrium level of income?

If, in a closed economy, real GDP is $30 billion, consumption is $20 billion, and government purchases are $5 billion, what is total saving in the economy?

A) $5 billion B) $15 billion C) $45 billion D) $55 billion

Which of the following represents a form of equity finance?

A) stock B) loans C) bonds D) all of the above E) none of the above