Please Answer these questions with Explanation.

Thanx

A portfolio manager summarizes the input from the macro and micro forecasters in the following table Micro Forecasts Asset Stock A Stock B Stock C Stock D Expected Return (%) 20 18 17 12 Residual Standard Deviation ( % ) 58 71 60 Beta Macro Forecasts Expected Return Standard Deviation ( % ) Asset T-bills Passive equity portfolio 23 Calculate the following for a portfolio manager who is not allowed to short sell securities a. What is the cost of the restriction in terms of Sharpe's measure? (Do not round intermediate calculations. Enter your answer as decimals rounded to 4 places.) Cost of restriction