(b) In computing the amount of the capital reserve fund for the purposes of this section, securities in which all or a portion of such fund shall be invested shall be valued at par or if purchased at less than par at their cost to the corporation.
(c) To assure the continued operation and solvency of the corporation for the carrying out of its corporate purpose, provision is made in paragraph (a) of this subdivision for the accumulation in the capital reserve fund of an amount equal to the capital reserve fund requirement. In order further to assure such maintenance of the capital reserve fund, there shall be paid by the city to the corporation for deposit in the capital reserve fund on or before the first day of December, in each year, such amount, if any, needed for the purpose of maintaining the capital reserve fund at the capital reserve fund requirement as shall be certified by the chairman of the corporation to the mayor and the director of management and budget on or before the fifteenth day of February next preceding; provided that any such amount shall have been first appropriated by or on behalf of the city for such purpose or shall have been otherwise made available. 2. The corporation may create and establish such other fund or funds as may be necessary or desirable for its corporate purpose.