You are given the following information for a stock that pays dividends continuously at a rate proportional to its price.
(i) The current stock price is 0.25.
(ii) The stock's volatility is 0.35.
(iii) The continuously compounded expected rate of stock-price appreciation is 15%.
Calculate the upper limit of the 90% lognormal confidence interval for the price of the stock in 6 months.