Use the Information Below to Answer the Following Question(s)

Use the information below to answer the following question(s) .
Hartville Kitchens has a monthly target operating income of $18,000. Variable expenses are 25% of sales and monthly fixed expenses are $12,000.
-What is the monthly margin of safety as a percentage of target sales in dollars at Hartville Kitchens?

A) 75%
B) 140%
C) 150%
D) 60%