In a closed economy, the values for GDP, consumption spending, investment spending, transfer payments, and taxes are as follows:

Y = $15 trillion
C = $10 trillion
I=4 trillion
TR= $1 trillion
T = $4 trillion

Using the information above, what is the value of private saving and public saving?

a. Private saving equals $10 trillion and public saving equals $4 trillion
b. Private saving equals $2 trillion and public saving equals $1 trillion.
c. Private saving equals $2 trillion and public saving equals $2 trillion.
d. Private saving equals $4 trillion and public saving equals $10 trillion.