You designed a program to create a username using the first three letters from the first name and the first four letters of the last name. Usernames cannot have spaces and every user needs a unique name. You are testing your program and found the need to go back and change the design of your plan. What could have made you redesign your plan? Select 3 options.

A user has no last name.

A user’s first name is longer than three characters.

A user with a name like Bo Dod does not have enough letters in create a username without spaces.

A user’s last name is longer than four characters.

Two users have the same username when their names are John Smith and Johnson Smithfield.