The price of a stock, which pays no dividends, is $76 and the strike price of a 10-month European put option on a stock is $90. The risk-free rate 3.5% (continuously compounded)

-Compute the lower bound for the option

-If the European put option price is $10, is there an arbitrage opportunity? How to take advantage of the arbitrage opportunity? What is the profit? (Please detail the actions to be taken today and at the maturity of the option and include all the related computations)