Using regression results for Chipotle $($CMG$)$:

What fraction of CMG$\text{'}$s return variation can be explained by market$-$wide news $($market portfolio$)?$ Pick the closest number.

a$)20\%$

b$)100\%$

c$)2\%$

d$)0\%$

What is the beta?

a$)20\%$

b$)100\%$

c$)0\%$

d$)2\%$