A two$-$year long forward contract on a non$-$dividend$-$paying stock is entered into when the stock price is $$30$ and the risk$-$free rate of interest is $10\%$ per annum with continuous compounding.

A$)$ What are the forward price?

B$)$ Nine months later, the price of the stock is $$28$ and the risk$-$free interest rate is still $10\%.$ What are the forward price and the value of the forward contract $($Hint: thinking about K$=$ans in part A$)?$