(Table: Real and Nominal Output) Use Table: Real and Nominal

(Table: Real and Nominal Output) Use Table: Real and Nominal Output. The change in nominal output between years 3 and 4 is an increase of: $$\begin{array} { | l | l | l | } \hline \text { Year } & \text { Units of Output } & \text { Price per Unit } \\\hline 1 & 40 & \$ 1 \\\hline 2 & 30 & \$ 2 \\\hline 3 & 50 & \$ 2 \\\hline 4 & 70 & \$ 4 \\\hline 5 & 60 & \$ 6 \\\hline 6 & 60 & \$ 8 \\\hline\end{array}$$

A) 64%
B) 64%.
C) 100%.
D) 100%
E) 180%
F) 180%.
G) 280%.
H) 280%