Before any money is borrowed and any bonds or other evidence of indebtedness issued under this act [6-17-1 to 6-17-13 N.M. Stat. Ann., except 6-17-1.1 N.M. Stat. Ann.], the board of regents of such institution shall submit to the board of finance of New Mexico, or in the case of county, independent rural, union high and municipal boards of education to the state board of education, a showing for the need for such building, facility or improvement, an estimate of the costs of the buildings, facilities or improvements to be erected, purchased, altered, improved, furnished and equipped and an estimate of the reasonable amount of income anticipated to be derived from the operation of any such, together with an estimate of all operating and maintenance costs thereof, and an estimate of the net income to be derived from the operation of any such, together with an estimate of all operating and maintenance costs thereof, and an estimate of the net income to be derived from the operation and maintenance of said building, facility or improvement so designated; and no bonds shall be issued or money borrowed hereunder until the state board of finance or the state board of education shall find upon proper investigation and showing that such building, facility or improvement is needed, that the cost thereof is reasonable and that the same should and probably will return sufficient net income to repay the money borrowed with interest as the same is due and payable, and shall approve the borrowing of such money and the amount to be borrowed.