Please solve the following problems using the long method with formulas. (Do not solve using the calculator functions for Data and Stat). Please show all calculations and not just the answer.

5. You have four securities in your portfolio Security A, B, C and a Treasury Bill (Risk-free). The total value of this portfolio now is $76,000. The risk of this portfolio is comparable to the Market risk and therefore this portfolio could be used a proxy for the market. (Hint: Beta of market portfolio is 1) Calculate the beta of Stock C, given the following information and the CAPM?

Security	Value	Beta
A	$13,800	1.21
B	$48,600	1.08
C	$8,400	?
T-Bill (risk Free)	?	?