Answer:
$13 trillion.
Step-by-step explanation:
The actual output of economy can be calculated using the following mentioned formula:
Cyclical deficit=tax rate in question(potential output - actual output)
-$450 billion=0.15($10 trillion-actual output)
-$450 billion=$1.5 trillion-0.15*actual output
0.15*actual output=$1.5 trillion+$450 billion
0.15*actual output=$1.95 trillion
Actual output=$13 trillion.