+++ /dev/null
-<sort1>
- <title>first computer</title>
- <dateTime>2</dateTime>
- <cost>2</cost>
-</sort1>
-<sort1>
- <title>second computer</title>
- <dateTime>1</dateTime>
- <cost>21</cost>
-</sort1>
-<sort1>
- <title>3rd computer</title>
- <dateTime>a^3</dateTime>
- <cost>15</cost>
-</sort1>
-<sort1>
- <title>fourth computer</title>
- <dateTime>4</dateTime>
- <cost>11</cost>
-</sort1>