Chapter 14.1, Problem 9E

(a)

To determine

To find: Theback to back graph for the given data.

Answer to Problem 9E

The required graph is shown in Figure 1.

Explanation of Solution

Given:

The given table for the rental revenue and the sales revenue is shown in Table 1

Table 1

Year	Total Revenue in Billions	Total Sales Revenue in Billions
1985	2.55	0.86
1990	6.63	3.18
1997	7.46	8.24
2000	9.18	9.76
2003	8.20	14.30

Calculation:

Consider that for the back to back graph, the central axis is labelled by the year. The horizontal scale is labelled 0 to 14 billion dollars in the direction. Then consider the left side of the graph represent the total revenue in the billion dollar and the other is for the total rental revenue.

The required back to back graph is shown in Figure 1.

  

Figure 1

(b)

To determine

To find: The market rental or the sales that seems to have the better future.

Answer to Problem 9E

The sales revenue increases at faster ace then the rental revenue so, the sales market is better.

Explanation of Solution

From the graph shows in Figure 1, the sales revenue increases at faster ace then the rental revenue. This shows that the sales market is better.