The Average Annual Return of Bram Corporation Is 21%, with a Standard

The average annual return of Bram Corporation is 21%, with a standard deviation of 12.0%. The average annual return of the market portfolio is 12.5%, with a standard deviation of 4%.
The covariance of the returns is 28.8%%. What is Bram's market beta?

A) 0.1
B) 0.6
C) 1.7
D) 1.8