The graph below shows returns on Oscar Mayer Inc. $($on the y$-$axis$)$ and the market portfolio. What is the beta for Oscar Mayer?

Question $20$ options:

B $=0\mathrm{.}05$

B $=0\mathrm{.}25$

B $=0\mathrm{.}5$

B $=1$

B $=1\mathrm{.}5$