On March $23,$ Jangles Corporation received a $$21,200$ invoice dated March $20.$ Cash discount terms were $\frac{4}{10},\frac{n}{30}.$ On March $27,$ Jangles sent an $$8,480$ partial payment.

a$.$ What credit should Jangles receive?

Note: Round your answer to the nearest cent.

Credit

b$.$ What is Jangles' outstanding balance?

Note: Round your answer to the nearest cent.

Outstanding balance