Let S $=$ $$100,$ K $=$ $$95,\backslash$sigma $=30\%,$ r $=8\%,$ T $=1,$ and $\backslash$delta $=0.$ For simplicity, let u $=1\mathrm{.}3,$ d $=0\mathrm{.}8$ and n $=2($that is$,2$ periods$).$ When constructing the binomial tree for the European call option, what is $($Stock Share Purchased in the replicating portfolio$)$ at the down node at the end of Period $1($after the stock price goes down once$)?$

Question $8$ options:

$0\mathrm{.}7863$

$0\mathrm{.}4889$

$1$

$0\mathrm{.}2250$

$0\mathrm{.}1836$