The following data defines the sea level concentration of dissolved oxygen for the fresh water as a function of temperature:

$\backslash$table$[[$T$.$ CC$,0,8,16,24,32,40],[$O$.$ mgL$,14\mathrm{.}621,11\mathrm{.}843,9\mathrm{.}870,8\mathrm{.}418,7\mathrm{.}305,6\mathrm{.}413]]$

Estimate the concentration of the dissolved oxygen at a temperature of $27C.$

$(15$ Marks$)$