The business is asking approval for a $$600$m block trade on a name with $32\%$ volatility and $$100$m ADV and could set a price that would leave them with different residuals. The desk has a $95\%$ VaR limit of $$5$m$.$ What is the highest residual that would not require a VaR limit extension?

a$.50\%$

b$.30\%$

c$.25\%$

d$.10\%$