15. A securities dealer has equity holdings as follows: Company Position Number of Price per share Equity beta Tenet Healthcare long 1000 28.52 1.80 Meritor 1500 21.61 2.25 Simpson Manufacturing long 300 83.27 1.32 Qorvo Inc short 500 101.86 1.32 long a. What is the beta of the dealer's equity holdings? b. What is the market risk of the dealer's equity holdings if the market return has been -4.95% or lower 5 times in the last 2500 trading days? c. Specify the level of adversity indicated by this DEAR and the method used