Lisa Sells Some Stock She Purchased Several Years Ago for $10,000

Lisa sells some stock she purchased several years ago for $10,000 to her brother Bart for $8,000. One year later Bart sells the stock for $12,000. The tax consequences to Lisa and Bart are:
?
$\begin{array}{cc}&&\text { Lisa }&&&& \text { Bart }\end{array}$
A) $\begin{array}{ll}\$ 2,000 \text { loss } &&& \$ 4,000 \text { gain } \\\end{array}$
B) $\begin{array}{ll}\text { No gain or loss } & \$ 4,000 \text { gain } \\\end{array}$
C) $\begin{array}{ll}\text { No gain or loss } & \$ 2,000 \text { gain } \\\end{array}$
D) $\begin{array}{ll} \$ 2,000 \text { gain } && \text { No gain or loss } \\\end{array}$
E) $\begin{array}{ll} \$ 2,000 \text { loss } &&& \$ 2,000 \text { gain }\end{array}$