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1. What does this program print? ``

python
def double(x):
    return x * 2

def quad(x):
    return double(double(x))

print(quad(5))

``

10252040

2. What does this program print? ``

python
def tax_for(price):
    return round(price * 0.18, 2)

def price_with_tax(price):
    tax = tax_for(price)
    return round(price + tax, 2)

print(price_with_tax(200))

``

200.0236.0218.036.0

3. What does this program print? ``

python
def add_bonus(points):
    points = points + 10
    return points

score = 5
add_bonus(score)
print(score)

``

1510None5

4. In a trace table for calls, the value that a finished call sends back to its caller is called the ___.

Type your answer.

5. The calls that have started but have not yet returned form a ___.

Type your answer.

Trace tables for calls