Lin is shopping for a couch with her dad and hears him ask the salesperson, ¨How much is your commission?¨ The salesperson says that her commission is 5 [tex]\frac{1}{2}[/tex]% of the selling price.

a. How much commission will the salesperson earn by selling a couch for $495?



b. How much money will the store get from the sale of the couch?