Father Williams received the Form W$-2$ below. He incurred $$3,000$ of unreimbursed expenses connected with his ministerial earnings:

$$2,500$ related to his ministerial salary.

$$500$ related to the weddings performed as self$-$employed.

If actual housing expenses and parsonage fair rental value were more than his housing allowance, how much of Father Williams' ministerial expenses are allocated to tax$-$free income?