186.According to the invoice, what is the total amount after the regular customer discount, and by what date should the payment be made? (A) Total amount: $2,448； Payment due date: April 27. (B)Total amount: $2,448； Payment due date: April 26. (C)Total amount: $1,916； Payment due date: April 27. (D)Total amount: $1,916； Payment due date: April 26.