Rachelle, the manager of the Petite Boulangerie, has placed an order for a new stove. The invoice for the order, dated June $6,$ is for $$30,000$ with the following payment terms: $3/10,2/30,$ N$60.$ Calculate the balance to carry forward if she makes a payment of $$10,000$ on June $16.$ Calculate the payment she will have to make on July $6$ if she wants to reduce her account balance to $$2000.$