Selling price to get 5% profit after TAX

Mohd_KB

New member
Joined
Sep 4, 2021
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3
Dear all,

Knowing my cost of production, and my target Profit, i need to sell my product for X USD. Assuming that the tax % is applied after sale and it equals = T. how much should i put on the price tag Y so that after i pay my tax i would still get X exactly.

Thanks in advance,
 
Is this homework?

?
 
No, Its a real life example!
I posted in correct forum "Finance/Business Math", right?
 
I think I figured it out yesterday

Price Tag * TAX% = Price Tag - (Production cost + (production cost * profit %))
Price Tag = (Production cost + (production cost * profit %)) / ( 1 - TAX%)

Is the answer correct?
 
[math]s = \text {sales price per item, } c = \text {cost per item,}\\ t = \text {tax rate, and } p = \text {profit percentage.}[/math]
[math]p = \dfrac{s - st - c}{c} \implies cp = s(1 - t) - c \implies s(1 - t) = c + cp \implies\\ s = \dfrac{c(1 + p)}{1 - t}.[/math]
Let’s if that works.

Item costs 180. Desired profit rate is 10%. Tax rate is 4%.

Indicated sales price is [math]\dfrac{180(1 + 0.1)}{1 - 0.04} = 206.25.[/math]
So the tax would be [math]0.04 * 206.25 = 8.25.[/math]
[math]206.25 - 8.25 = 198.00[/math]
[math]198.00 - 180.00 = 18.00.[/math]
[math]\dfrac{18.00}{180.00} = 10\%.[/math]
Your answer is correct.
 
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