The Treasury bill rate is $7\%,$ and the expected return on the market portfolio is $13\%.$ According to the capital asset pricing model:

What is the risk premium on the market?

What is the required return on an investment with a beta of $1\mathrm{.}8?$

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $1$ decimal place.

If an investment with a beta of $0\mathrm{.}5$ offers an expected return of $9\mathrm{.}4\%,$ does it have a positive or negative NPV$?$

If the market expects a return of $11\mathrm{.}2\%$ from stock X$,$ what is its beta?

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.