1)Advise Amanda and Tracy as to their rights and obligations. 2) What difference, if any, would it make if: a) Tracy's letter had never arrived? b) Due to a problem with the mobile network on Amanda's phone, the voicemail left by Tracy on 12 April 2016 was not recorded and Amanda had no knowledge of the voicemail. c) Instead of Amanda sending an e-mail to Tracy on 11 April 2016, on Sunday 10 April 2016, Tracy had asked Amanda if she wanted to buy her handbag?