Why don’t I see all of my office supplies expenses.

[melissasaca]

I don’t see desk, monitor, office chair, etc that I had added previously

[ThomasM125]

You may have set your office assets up for depreciation. If so, the expense portion for the current year would be listed as depreciation on line 13 of your business Schedule C. It would also appear on Form 4562 Depreciation and Amortization.