Principle protected note. Determine the highest participation rate possible that a bank can offer and implement by taking a static position. There is no possibility of default. The maturity is $2$ years. The stocks are non$-$dividend paying. S$\_0=50.$ Their are $3$ European call options $($maturity $2$ years$)$ given: $(1)$ strike $=45,$ bid price $=8\mathrm{.}05,$ ask price $=8\mathrm{.}20,(2)$ strike $=50,$ bid price $=4\mathrm{.}90,$ ask price $=5\mathrm{.}00,(3)$ strike $=55,$ bid price $=2\mathrm{.}60,$ ask price $=2\mathrm{.}75.$ Putting $94$ on a risk$-$free bank account results in $100$ after $2$ years.

A: $100-95\%$

B: $95-75\%$

C: $75-50\%$

D: $<50\%$