a$)[3$ marks$]$ The relationship between View Upcoming Payments and Cancel Upcoming Payments is left unspecified : no label and no direction. Using heuristics discussed in class for extend and include relationships, make arguments both for using $<>$ and $<>.$ Then make a decision for one or the other.

b$)[5$ marks$]$ Complete and fix any errors on the use$-$case diagram to match the system description and correctly use the UML use case diagram notation.

c$)[8$ marks$]$ Complete the use$-$case descriptions given below. In your document, you shall $($re$)$write the whole table, following the template $($and constraints on the use of natural language$)$ discussed in class.