The proceeds of the bonds of each series issued under the provisions of Sections 72-14-9 through 72-14-28 N.M. Stat. Ann. shall be placed to the credit of the appropriate project fund, which fund shall be kept segregated and set apart from all other funds. There shall be credited to the appropriate debt service fund all accrued interest received upon sale of the bonds and there shall also be credited to the appropriate project fund the interest received upon the deposits of money in the project fund and money received by way of grant from the United States or from any other source for the project. The money in each project fund shall be paid out or disbursed in such manner as may be determined by the commission, subject to the provisions of those sections, to pay the cost of the project and there is hereby appropriated annually the money in each project fund for the purposes intended by the commission.