The stock Cartman Inc. has an expected return of $10\%$ and volatility of $20\%$ in a country where the risk$-$free rate is $4\%$ and the expected return of the market portfolio is $8\%.$ The standard deviation of the market portfolio is $10\%.$ You assume that the expected return of this security is in line with the CAPM.

Determine the security$\text{'}$s Beta.

Note: Answers should be expressed in years rounded to the nearest hundredth $(0\mathrm{.}01)-$ for example, if your answer is $1\mathrm{.}23456,$ please enter $1\mathrm{.}23$ in the answer box below. Intermediate results should not be rounded to less than $6$ decimal places unless instructed otherwise.