John has purchased an item on sale for $25.00. A few days later John sees the price is now $32.00. By what percentage of the price John paid has the price risen? Options:  A) 5  B) 7  C) 15  D) 20  E) 28
C.P.=25.00   N.P.=32.00   markup%=(N.P.-C.P.)/C.P.*100=(32-25)/25*100= 
<gadget id="calculator">(32-25)/25*100</gadget>
<output>28</output>
28%   ANSW28R:28
<result>E</result>
John has purchased an item on sale for $25.00. A few days later John sees the price is now $32.00. By what percentage of the price John paid has the price risen?