$A_{0\mathrm{.}8482}$gram sample of $KH{C}_4{H}_4{O}_4$ reacts with $41\mathrm{.}75mL$ of KOH solution for complete neutralization. What is the molarity of the KOH solution? $($Molecular weight of $KH{C}_4{H}_4{O}_4=.)$

a$.0\mathrm{.}139M$

b$.0\mathrm{.}099M$

c$.0\mathrm{.}061M$

d$.0,158M$

c$.0\mathrm{.}079M$