XYZ corporation has issued $1$ billion shares and is a component of the FTSE$100$ index. Yesterday XYZ shares closed at $100$p$,$ and the total market capitalisation of the FTSE$100$ index was $126$billion. Today XYZ prices closed at $102$p$.$ How much did this share price movement contribute to movement in the overall FTSE$100$ index?

a$.0\mathrm{.}0252\%$

b$.2\mathrm{.}0000\%$

c$.0\mathrm{.}0159\%$

d$.0\%$

e$.0\mathrm{.}0200\%$