(a) Contract engineering and architectural services for the selection of sites, preparation of surveys and plans, and construction cost estimates for housing for elderly persons, and to make such plans, surveys and estimates available without cost to a non-profit corporation.
(b) Enter into an agreement or agreements with a non-profit corporation for the lease and/or purchase of housing for elderly persons and related facilities, constructed or established by such non-profit corporation.
(c) Guarantee payment of notes or other legal instruments executed by such non-profit corporation and required by the Federal Housing Commission in connection with a loan insured by the commission and made for the purpose of financing the construction of housing for elderly persons; and to make payments thereon in behalf of such a non-profit corporation on such terms and conditions and for such consideration as may be required by the Governor and accepted by the non-profit corporation.