When disposable income increases from $8,038 to $9,525, consumption increases from $5,145 to $5,901, what is the value of the MPS?

When disposable income increases from $5,369 to $7,160, consumption increases from $3,221 to $4,234, what is the value of the MPC?

If the MPC is equal to 0.68, then a $5,200 increase in disposable income will increase savings by what amount?

An economy sees consumption increase by $2,087 million when disposable income increases by $4,617. Assuming the marginal propensity to consume remains constant, what is the marginal propensity to save?