When can a receivable balance be satisfied with a smaller cash payment? A. When a sales discount is offered and the buyer pays within the discount period. B. When a purchase discount has been paid by the seller. C. Both when a sales discount is offered and the buyer pays within the discount period and when a purchase discount has been paid by the seller. D. Noither whon a sates discount is offered and the buyer pays within the discount period nor when a purchase discount has been paid by the seller