A bank has written a European call option on one stock and a European put option on another stock.

For the first option, the stock price is $50,$ the strike price is $51,$ the volatility is $28\%$ per annum, and the time to maturity is nine months.

For the second option, the stock price is $20,$ the strike price is $19,$ the volatility is $25\%$ per annum, and the time to maturity is one year.

Neither stock pays a dividend, the risk$-$free rate is $6\%$ per annum, and the correlation between stock price returns is $0\mathrm{.}4.$

Calculate a $10-$day $99\%$ VaR by using Monte$-$Carlo simulations in excel. show all excel steps and functions!!