Scenario 6.1 Consider the Following Data for a Closed Economy

Scenario 6.1
Consider the following data for a closed economy:
Y = $1 200 billion
C = $800 billion
I = $200 billion
G = $200 billion
TR = $200 billion
T = $300 billion
-Refer to Scenario 6.1.Based on the information above, what is the level of private saving in the economy?

A) 90 billion
B) $100 billion
C) $300 billion
D) $400 billion
E) $800 billion