The Chart Shows Second Quarter Total Retail E-Commerce Sales in the U.S

Multiple Choice

The chart shows second quarter total retail e-commerce sales in the U.S. in 1999, 2001 and 2003 ( $t = 0$ represents 1999) . Find the regression line. Round coefficients to two decimal places. $$\begin{array} { | l | l | l | l | } \hline \text { Year } \boldsymbol { t } & 0 & 2 & 4 \\\hline \text { Sales (S Billion) } & 4 & 8 & 13 \\\hline\end{array}$$ Use the regression line to estimate second quarter retail e-commerce sales in 2000. Round your answer to two decimal places.

A) $3.04 billion
B) $18.24 billion
C) $12.16 billion
D) $6.08 billion
E) $6.69 billion