Answer :
I think the answer is 12.9% markup
My explanation:
change / original ...
(35 - 31) / 31
= 4 / 31
= 0.1290322
= 12.90322% markup
(So sorry if this is wrong... it might be, Happy Holidays to ya'll!)
My explanation:
change / original ...
(35 - 31) / 31
= 4 / 31
= 0.1290322
= 12.90322% markup
(So sorry if this is wrong... it might be, Happy Holidays to ya'll!)