answered question 7/13/2009 A Retail Jeweler Sells A Pair Of Gold Earrings For $213.90 The Jeweler Uses A 130% Mark Up Based On Cost. What Was The WholeSale Cost Of The Earrings? 213.90 / 130 = 1.64538461.6453846 * 100 = 164.54 (rounded to 2 decimal places)