A school is upgrading its website and will require students to create a password to access their marks online. In order to create secure passwords, students will be required to meet certain conditions. a. Determine the total number of possible 5 character passwords that can be created using each of the following requirements: 1. the digits 0 to 9, where digits can be repeated (1 mark) ii. the digits 0 to 9, where digits cannot be repeated (1 mark) iii. the digits 0 to 9, where the first digit must be even and last digit must be odd, and where digits can be repeated (1 mark) iv. the pattern letter letter number number number, using the 26 letters of the alphabet, and the digits 0 to 9, where letters and digits can be repeated (1 mark) b. Which of the above suggestions would allow students to create the most secure password? Justify your answer. (1 mark) c. Describe a different set of conditions that can be used to create a secure 5 character password. Determine the total number of possible passwords that can be created using your conditions. (2 marks)