Answer:
The profit percentage in MP3 player is 9.37 %.
Step-by-step explanation:
Cost price of MP3 player is $320
Selling price of MP3 player is $350.
Here, selling price is more than cost price. It means there is profit in MP3 player.
Profit = SP - CP
Profit = 350 - 320
Profit = $30
Profit percentage is given by :
[tex]\% P =\dfrac{{SP}-{CP}}{{CP}}\times 100\\\\\% P=\dfrac{30}{{320}}\times 100\\\\\% P=9.37\%[/tex]
The profit percentage in MP3 player is 9.37 %.
