The amount of tax anticipation notes of any fiscal year outstanding at any 1 time shall not exceed an amount certified as the gross borrowing power, and no such notes shall be authorized in excess of an amount certified as the net borrowing power, each computed and certified as follows:
a. The gross borrowing power in respect to tax anticipation notes of such fiscal year, being 30% of the tax levy of the next preceding fiscal year, for all purposes in the case of a municipality and for county purposes in the case of a county, plus 30% of the amount of miscellaneous revenues realized in cash during the next preceding fiscal year, is $ .
b. The amount of notes outstanding in anticipation of the collection of taxes of such fiscal year, except such notes as will be renewed by or paid from the proceeds of the notes to be issued, is $ .
c. The net borrowing power, being the excess of the first over the second of the 2 above amounts, is $ .
Such certificate shall be made by the financial officer who is designated to sign such notes, filed in the office of the clerk, and quoted in full in the resolution authorizing such notes.