Each commission shall manage and operate its housing projects in an efficient manner to enable it to fix the rentals or payments for dwelling accommodations at rates consistent with its providing decent, safe, and sanitary dwelling accommodations for persons of low income, and no commission shall construct or operate any housing project for profit, or as source of revenue to the municipality or the county. To this end a commission shall fix the rentals or payments for dwellings in its projects at no higher rates than it shall find to be necessary in order to produce revenues which (together with all other available moneys, revenues, income, and receipts of the commission from whatever sources derived) will be sufficient:
SDCL 11-7-58