3/15, n/45 is interpreted as 45% discount if paid within 15 days O 15% cash discount if the whole amount is paid within 3 days, the balance is due in 45 days O 15% discount if paid within 45 days O None of these 3% discount if paid within 45 days Wholesalers O Buy products from manufacturers and sell to consumers O Buy products from manufacturers and sell to retailer O All of these O Buy products from retailers and sell to consumers O Buy products from other wholesalers and sell to consumers