he Dimitrios Company records the following transactions during September 2018: Cash sales to customers totaling $5,800. Sales to customers on credit cards totaling $18,800. The average credit card fee is 3.0%. The company collects all cash due from the credit card companies. A $2,000 sale on account to a long-time customer with terms of 2/10, n/30. The sale is made on September 5. The customer pays the invoice on September 14. A customer returns product they had purchased last month for $500. Dimitrios accepts the return and gives the customer a cash refund. Calculate the following amounts: Service charge expense for credit card sales Sales discount (contra-revenue) for sales on account Sales returns (contra-revenue) Gross sales revenue Net sales revenue Net cash collected from sales