Find a and B in the Table Below

Short Answer

Find A and B in the table below.
$$\begin{array} { | l | l | l | l | l | } \hline \text { Principal } & \text { Interest Rate } & \text { Time } & \begin{array} { l } \text { Simple } \\\text { Interest }\end{array} & \begin{array} { l } \text { Total Amount } \\\text { Owed }\end{array} \\\hline \$ 22,000 & 12 \% & 8 \mathrm { mos } & \mathrm { A } & \mathrm { B } \\\hline\end{array}$$