Use the following information to answer the given question:
\(\begin{array}{c|c} \text{Date of delivery} & customer & \text{Gross amount N} & \text{Trade discount %} & \text{Cash Discount %} & \text{Terms of payment} \\ \hline \text{4/1/86} & \text{Mr. A.F.P} & 12,000 & 15 & 10 & \text{30 days of delivery}
\end{array}\)
If Mr. A.F.P. failed to settled his account in time, th3 amount due from him would be