Find Amount of (A)net Price and (B)trade Discount

Short Answer

Find amount of (A)net price and (B)trade discount
$$\begin{array} { | l | l | l | l | l | } \hline \text { Item } & \text { List Price } & \text { Chain Discount } & \text { Net Price } ( \mathrm { A } ) & \text { Trade Discount } ( \mathrm { B } ) \\\hline \text { Dishwasher } & \$ 1400 & 13 / 10 / 4 & ? & ? \\\hline\end{array}$$