WOLFRAM
|
DEMONSTRATIONS PROJECT
Sales Tax and Discounts
s
a
l
e
s
t
a
x
/
d
i
s
c
o
u
n
t
1
5
o
r
i
g
i
n
a
l
p
r
i
c
e
1
5
0
1
5
%
s
a
l
e
s
t
a
x
$
1
5
0
o
r
i
g
i
n
a
l
c
o
s
t
+
=
1
1
5
%
p
r
i
c
e
a
f
t
e
r
t
a
x
=
1
1
5
%
×
1
5
0
=
$
1
7
2
.
5
0
T
h
i
s
s
h
o
w
s
h
o
w
t
o
c
o
m
p
u
t
e
t
h
e
p
r
i
c
e
o
f
a
n
i
t
e
m
a
f
t
e
r
i
t
h
a
s
b
e
e
n
s
u
b
j
e
c
t
e
d
t
o
a
t
a
x
o
r
d
i
s
c
o
u
n
t
.
