| Book | Sales | |||
|---|---|---|---|---|
| North | South | West | Total | |
| PHP and MySQL | $55,174 | $73,566 | $177,784 | $306,524 |
| JavaScript and DOM Scripting | $28,775 | $24,349 | $168,228 | $221,352 |
| Java Programming | $27,688 | $39,995 | $239,968 | $307,651 |
| Java Servlets and JSP | $23,082 | $24,858 | $129,619 | $177,559 |
| Sales Totals | $140,775 | $165,550 | $762,794 | $1,069,119 |