The table gives data on the rental revenue and the sale revenue of home videos as well as predictions of future revenues.
Total Rental Revenue Total Sales Revenue
Year
(in billions)
(in billions)
1985
$2.55
$0.86
1990
$6.63
$3.18
1997
$7.46
$8.24
2000
$9.18
$9.76
2005
$9.26
$13.90
Source: Video Software Dealers Association
a. Make a back-to-back bar graph of the data.
b. Which market, rental or sales, seems to have a better future? Explain