I have the options.
(I dont have a clue which is correct)
Explanation:
a.If the selling price is marked up by 25 percent, the new price will be $10.
b.If the selling price is marked up by 40 percent, the new price will be $7.50.
c.If the selling price is marked up by 55 percent, the new price will be $5.50.
d.If the selling price is marked up by 70 percent, the new price will be $13.60.
e.If the selling price is marked up by 75 percent, the new price will be $14.00.