Before an invoice can be created, an account is required.

Before an invoice can be created, an account is required. Before an account can be set up, an account user is required (in order to set up the account). The software is delivered with a master user only, who can only create other types of users. The following test cases have been written to test the high-level structure of the software

a. Create an invoice

b. Amend an invoice

c. Process an invoice (send to customer)

d. Delete an invoice

e. Create an account

f. Create an account user

g. Amend an account user

h. Delete an account user

i. Amend an account

j. Delete an account

Which of the following test procedures would enable all tests to be run?[K3]