The following information regarding Brookes, Inc. is available:
SALES: $1,440,000
COGS: $630,000
Operating Expenses: $540,000
Operating Income: $270,000
Average invested capital: $2,062,500
Refer to the information above. What is the return on investment for Brookes, Inc. (round your answer to the nearest full percentage point)?
A. 70%.
B. 19%.
C. 13%.
D. 9%.