Teacher Expenses vs Self-Employment Expenses

2023 was my first year of full (12-months) of retirement as a public school teacher.  I receive a pension and social security benefits.  However, I also have a side gig as a part-time online teacher for a private company.  In January I purchased my own computer. Where do I enter this expense. . . as a 'Teacher Educator' Expense or as a 'Job-Related Expense?