A portfolio manager summarizes the input from the macro and micro forecasters in the following table:

$\backslash$table$[[$Micro Forecasts$],[,,,$Residual$],[$Assetandard$,$Expected,,$],[$Return $(\%),$Beta,Deviation $(\%),],[$Stock A$,24,1\mathrm{.}7,60],[$Stock B$,20,1\mathrm{.}9,68],[$Stock C$,16,0\mathrm{.}6,62],[$Stock D$,12,1\mathrm{.}2,55]]$

$\backslash$table$[[$Macro Forecasts,$],[$Asset$,$Expected Return,Standard,,$],[$T$-$bills,$(\%),$Deviation $(\%),,],[$Passive equity portfolio,$11,0,,]]$

Calculate the following for a portfolio manager who is not allowed to short sell securities$.$ If allowed to short sell securities$,$ the manager's Sharpe ratio is $0\mathrm{.}2812.$

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 $$

b$.$ What is the utility loss to the investor