The current price of a non$-$dividend$-$paying stock is $$218\mathrm{.}72$ and you expect the stock price to be either $$306\mathrm{.}21$ or $$156\mathrm{.}23$ after $0\mathrm{.}5$ years. A European call option on the stock has a strike price of $$220$ and expires in $0\mathrm{.}5$ years. The risk$-$free rate is $7\%($EAR$).1.$ What is the hedge ratio $($delta$)?2.$ How much money do you need to invest in riskless bonds to create a portfolio that replicates the payoff from one call option? Enter any amount borrowed as a negative number. $3.$ What should be the price $($premium$)$ of the call option?