Suppose that disposable income, consumption, and saving in some country are $800 billion, $700 billion, and $100 billion, respectively. Next, assume that disposable income increases by $80 billion, consumption rises by $64 billion, and saving goes up by $16 billion.

What is the economy's MPC?

MPC =

What is its MPS?

MPS =

What was the APC before the increase in disposable income?

APC before =

What was the APC after the increase?

APC after =