The 9th edition discusses cost accounting software that no longer exists (Lotus 1-2-3 templates, AS/400 systems). Ignore those sections. Instead, use Excel to replicate the examples. Building a standard cost variance model in Excel from the book’s formulas is an excellent learning exercise.
Physical copies of the 9th edition have been out of print since the early 2000s. When they appear on Amazon or AbeBooks, prices can range from $80 to $200 for a used, often battered, paperback. International editions (with lower print quality) are sometimes available, but shipping is costly.
Here, the book moves into budgets:
This section covers short-run and long-run decisions: