A store plays $28.46 for a jacket. The store marks up the price by 45% What is the amount of mark up? Round your answer to the nearest penny.
To find the amount of the mark up, we need to calculate 45% of the cost price of the jacket:
Mark up = $28.46 x 0.45
Mark up = $12.81
So, the amount of mark up is $12.81.