Question $2$ of $6$

Paige received an invoice for $$4,000$ that had payment terms of $\frac{3}{10}\frac{n}{30}.$ He made a partial payment of $$2,000$ during the discount period.

a$.$ Calculate the amount credited.

Round to the nearest cent

b$.$ Calculate the balance on the invoice after the partial payment was made.

Round to the nearest cent