In addition to any salary, fees, or expenses now or hereafter provided by law, the governing authority of each of the counties in this state in the following population bracket is authorized to provide as contingent expenses for the operation of the office of coroner, and payable from county funds, a monthly expense allowance of not less than the amount fixed in the following schedule:

Population Minimum_Monthly_Expenses 0 -- 34,999...................................................$ 50.00