Business purchase items . are the following office expenses ? or cca? or something else?:new cell phone : 305$, new computer :1150$; telephone head set:50$.

Your expenses are classified as follows:

Cell phone - the cost of the phone itself is a capital cost (class 8). Monthly usage is an expense.

New computer - capital cost (class 50) If you purchased software such as Microsoft Office or Photoshop, also capital cost (class 12).

Due to the relatively low price of the headset, it can be assumed that it will have to be replaced fairly often and therefore can be considered an expense.