Tony
buys
a
pizza
and
with
that
same
amount
of
money
he
could
have
bought
a
Coke
and
a
hot
dog
.
The
____________________
____________________
is
the
Coke
and
hot
dog
.
"
I
certainly
don't
consider
it
____________________
____________________
when
my
neighbor's
house
has
five
bedrooms
,
and
I
have
to
share
a
room
with
my
kid
!
"
If
your
business
is
going
well
,
and
you
can't
keep
the
products
on
the
shelf
,
then
the
____________________
of
____________________
dictates
you
should
raise
the
price
.
The
price
of
gas
is
based
on
the
____________________
of
____________________
.
In
the
summertime
when
people
like
to
travel
,
and
the
price
of
gas
tends
to
rise
.
