Answer:
D
Step-by-step explanation:
Mark up is the extra amount added to the cost of an item in order to accommodate profit while setting the selling price.
It is calculated by dividing the gross profit by the cost price and multiplied by 100
Workings
Cost of purchase =$10
Selling price = $25
Profit = 25-10 =$15
Mark up = 15/10 *100
=150%