Respuesta :
5%
(Markup percent/100) Γ Cost price = Selling price - cost price
=> (Markup percent/100) Γ $14 = $21 - $14
=> (Markup percent/100) Γ $14 = $7
=> (Markup percent/100) = $7 / $14
=>
Answer:
5% is the markup
Step-by-step explanation:
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