Answer:
Step-by-step explanation:
% markup using percentage change formula = [tex][\frac{Selling Price - Cost}{Cost} ] *100\\[/tex]
If,
Selling Price = $18.50 and
Cost = $10
%Markup = [tex][\frac{(18.50 -10)}{10} ] *100[/tex]
= 0.85 *100 = 85%
Therefore, Nothing Bundt Cakes sell at a 85% markup.