Let S $=$ $$90,$ K $=$ $$95,$ r $=8\%,$ T $=0\mathrm{.}5,$ and $\backslash$delta $=0.$ For simplicity, let u $=1\mathrm{.}3,$ d $=0\mathrm{.}8$ and n $=1($that is$,1$ period$).$ When constructing the binomial tree for the European call option, what is $($Stock Share Purchased in the replicating portfolio$)$ at the first node $($Time $0)?$

Question $3$ options:

$0\mathrm{.}7000$

$0\mathrm{.}4889$

$0\mathrm{.}7905$

$0\mathrm{.}3997$

$0\mathrm{.}8366$