Answer
The retail revenues from internet shopping was expected to be around $\$61.9$ billion.
Work Step by Step
2005 is 2 years after 2003 so $t=4$.
Substitute 2 to $t$ in the given equation to have:
$\\y=39(1.26)^t
\\y=39(1.26)^2
\\y=61.9164
\\y\approx 61.9$
