Use the information below to answer the following question:

Managed Average Average $($P$)$ Average Portfolio

Fund Return $($P$)$ Standard deviation Risk$-$free rate Beta

A $0\mathrm{.}14830\mathrm{.}20060\mathrm{.}06330\mathrm{.}39$

B $0\mathrm{.}22950\mathrm{.}2820\mathrm{.}06970\mathrm{.}41$

C $0\mathrm{.}2240\mathrm{.}36260\mathrm{.}07160\mathrm{.}58$

D $0\mathrm{.}38560\mathrm{.}68070\mathrm{.}13080\mathrm{.}51$

What is the highest ranking reward$-$to$-$variability $($Sharpe$)$ ratio? Give your answer to four decimal places. $($DO NOT enter a letter, eg: A$)$