# New Code to Compute Retail Values

Discussion in 'Javascript' started by wutzke, Apr 22, 2008.

1. ### wutzkeGuest

I started working on a script that would take the cost of something
and suggest a retail amount.
I usually figure Retail on Margins. So Retail equals Cost divided by
(Margin-100)% plus Cost.
So if Cost is \$50 and Margin is 40%
50/(40-100)%+50=80
or
(50/60%)+50=80

But now I have to go to work...

</FORM>
collapse: collapse" bordercolor="#111111" width="48%">
<tr>
<td width="20%"><FORM NAME="Calc">
<TABLE BORDER=4>
<TR>
<TD>
<INPUT TYPE="text" NAME="Input" Size="16">
<br>
</TD>
</TR>
<TR>
<TD>
<INPUT TYPE="button" NAME="one" VALUE=" 1 "
OnClick="Calc.Input.value += '1'">
<INPUT TYPE="button" NAME="two" VALUE=" 2 "
OnCLick="Calc.Input.value += '2'">
<INPUT TYPE="button" NAME="three" VALUE=" 3 "
OnClick="Calc.Input.value += '3'">
<INPUT TYPE="button" NAME="plus" VALUE=" + "
OnClick="Calc.Input.value += ' + '">
<br>
<INPUT TYPE="button" NAME="four" VALUE=" 4 "
OnClick="Calc.Input.value += '4'">
<INPUT TYPE="button" NAME="five" VALUE=" 5 "
OnCLick="Calc.Input.value += '5'">
<INPUT TYPE="button" NAME="six" VALUE=" 6 "
OnClick="Calc.Input.value += '6'">
<INPUT TYPE="button" NAME="minus" VALUE=" - "
OnClick="Calc.Input.value += ' - '">
<br>
<INPUT TYPE="button" NAME="seven" VALUE=" 7 "
OnClick="Calc.Input.value += '7'">
<INPUT TYPE="button" NAME="eight" VALUE=" 8 "
OnCLick="Calc.Input.value += '8'">
<INPUT TYPE="button" NAME="nine" VALUE=" 9 "
OnClick="Calc.Input.value += '9'">
<INPUT TYPE="button" NAME="times" VALUE=" x "
OnClick="Calc.Input.value += ' * '">
<br>
<INPUT TYPE="button" NAME="clear" VALUE=" c "
OnClick="Calc.Input.value = ''">
<INPUT TYPE="button" NAME="zero" VALUE=" 0 "
OnClick="Calc.Input.value += '0'">
<INPUT TYPE="button" NAME="DoIt" VALUE=" = "
OnClick="Calc.Input.value = eval(Calc.Input.value)">
<INPUT TYPE="button" NAME="div" VALUE=" / "
OnClick="Calc.Input.value += ' / '">
<br>
</TD>
</TR>
</TABLE></td>
<td width="80%"><script language="JavaScript"><!--
function setForm2Value() {
var selectedItem =
document.formName1.selectName1.selectedIndex;
var selectedItemValue =
document.formName1.selectName1.options[selectedItem].value;
var selectedItemText =
document.formName1.selectName1.options[selectedItem].text;

if (selectedItem != 0) {
document.formName2.textboxName1.value = selectedItemText;
document.formName2.textboxName2.value = selectedItemValue;
}
else {
document.formName2.textboxName1.value = "";
document.formName2.textboxName2.value = "";
}
}
//--></script>
<form>
<input type="text" name="T1" size="20" value="0.00">&nbsp;
</form>

<p>
<form name="formName1">
<input type="button" value="30%" name="B1">&nbsp;
<input type="button" value="40%" name="B2">&nbsp;
<input type="button" value="50%" name="B3">&nbsp;
<input type="text" name="T1" size="20"><br>
&nbsp;</form>

<p>

<form name="formName2">
Cost of
<input type="textbox" name="textboxName1" value="" size="10">
at
<input type="textbox" name="textboxName2" value="" size="10">%
Margin<br>
&nbsp;is
<input type="textbox" name="textboxName3" value="\$.99" size="10">
</form></td>
</tr>
</table>
wutzke, Apr 22, 2008

2. ### Thomas 'PointedEars' LahnGuest

wutzke wrote:
> I started working on a script that would take the cost of something
> and suggest a retail amount.
> I usually figure Retail on Margins. So Retail equals Cost divided by
> (Margin-100)% plus Cost.
> So if Cost is \$50 and Margin is 40%
> 50/(40-100)%+50=80
> or
> (50/60%)+50=80
>
>
> But now I have to go to work...
>
>
Code:
```[/color]

http://catb.org/~esr/faqs/smart-questions.html

PointedEars
--
realism:    HTML 4.01 Strict
evangelism: XHTML 1.0 Strict
-- Bjoern Hoehrmann```
Thomas 'PointedEars' Lahn, Apr 22, 2008

3. ### RobGGuest

On Apr 23, 3:26 am, wutzke <> wrote:
> I started working on a script that would take the cost of something
> and suggest a retail amount.
> I usually figure Retail on Margins. So Retail equals Cost divided by
> (Margin-100)% plus Cost.
> So if Cost is \$50 and Margin is 40%
> 50/(40-100)%+50=80
> or
> (50/60%)+50=80

Either your equation is defective or I don't understand it. If your
retail price is cost plus margin, where margin is expressed as a
percentage of the cost, then for a 60% margin:

var margin = 60;
var rrp = cost * (1 + margin/100);

If margin is expressed as a decimal number (i.e. 0.6 rather than 60)
the formula becomes:

var margin = 0.6;
var rrp = cost * (1 + margin);

For rounding to a set number of decimal place, see the FAQ:

<URL http://www.jibbering.com/faq/ >

--
Rob
RobG, Apr 23, 2008
4. ### wutzkeGuest

Thanks.
wutzke, Apr 23, 2008
5. ### wutzkeGuest

You Are Right
I guess I didn't explain it right
This Google Calculator may explain it better

On Apr 22, 11:14 pm, RobG <> wrote:
> On Apr 23, 3:26 am, wutzke <> wrote:
>
> > I started working on a script that would take the cost of something
> > and suggest a retail amount.
> > I usually figure Retail on Margins. So Retail equals Cost divided by
> > (Margin-100)% plus Cost.
> > So if Cost is \$50 and Margin is 40%
> > 50/(40-100)%+50=80
> > or
> > (50/60%)+50=80

>
> Either your equation is defective or I don't understand it. If your
> retail price is cost plus margin, where margin is expressed as a
> percentage of the cost, then for a 60% margin:
>
> var margin = 60;
> var rrp = cost * (1 + margin/100);
>
> If margin is expressed as a decimal number (i.e. 0.6 rather than 60)
> the formula becomes:
>
> var margin = 0.6;
> var rrp = cost * (1 + margin);
>
> For rounding to a set number of decimal place, see the FAQ:
>
> <URLhttp://www.jibbering.com/faq/>
>
> --
> Rob
wutzke, Apr 23, 2008