If an item that originally sold for o dollars was marked up by m percent and then discounted by n percent, which of the following expressions represents the final price of the item? Select:  A) (10,000o + 100o(m – n) – mno)/10,000  B) (10,000o + 100o(n – m) – mno)/10,000  C) (100o(m – n) – mno)/10000  D) (100o(n – m) – mno)/10000  E) 10000 /(m – n)
Assume o=100, m=10, n=10. So final price is 99. Now put these value each option. Only option (10,000o + 100o(m – n) – mno)/10,000 will give right answer.
<result>A</result>
If an item that originally sold for o dollars was marked up by m percent and then discounted by n percent, which of the following expressions represents the final price of the item?