explain it

67. Which of the following statements concerning beta is correct? O A. the risk free asset is equal to 1 OB. the portfolio beta is the sum of the single asset betas O C. it measures the amount of systematic risk possessed by an individual asset O D. its calculation is unnecessary and too complicated to be used efficiently 68 Suzanne has identified a project with the following cash flows what is the present value of the cash flows at time o if the interest rate is 17%? Year Cash Flow $2,000 $650 $375 $1,200 OA. $3,058.75 OB. $3,521.63 O c. $2,614.32 O D. $3,578.74 O E. $4,225.00