Kenneth received an invoice for $4,000 that had payment terms of 5/15 n/45. He made a partial payment of $2,000 during the discount period. a. Calculate the amount credited. $0.00 Round to the nearest cent b. Calculate the balance on the invoice after the partial payment was made. $0.00 Round to the nearest cent Scarlet Company received an invoice for $75,000.00 that had payment terms of 1/5 n/30. If it made a partial payment of $14,500.00 during the discount period, calculate the balance of the invoice. $0.00 Round to the nearest cent