3. Suppose that you have intercepted the following ciphertext message from me, which you know to have been encrypted either with a monoalphabetic substitution cipher or a transposition cipher: hkypdukidpdufbnkaopektpkktpdswtrgtsktpacfiwdt a) Based on the contents of this message, would you guess this was encrypted using substitution or transposition? Justify your answer! b) Give a general method for determining whether a message is encrypted using monoalphabetic substitution or using transposition.