Suppose private saving in a closed economy is $12b and investment is $8b. O National saving must equal $12b. O Public saving must equal $4b. O The government budget surplus must equal $4b. O The government budget deficit must equal $4b.

Suppose private saving in a closed economy is $12b and investment is $8b. National saving must equal \$12b. Public saving must equal \$4b. The government budget surplus must equal \$4b. The government budget deficit must equal $4b