A is a director and owns 50% of the outstanding capital stock of Ace Corporation which is engaged in the trading of computers. Ace Corporation purchased computer tables from Top Corporation of which A is also a director and owns 15% of its outstanding capital stock. The articles of incorporation of both corporations provide for 5 directors. In the approval of the contract for the said purchase, A did not attend the meeting of the board of directors of Ace Corporation, while in the meeting of the board of directors of Top Corporation which was called for the same purpose, directors, A, B, C, and D were present with all of them voting for the approval of the contract. Assuming that there is no fraud and that the contract is fair and reasonable under the circumstances, the contract between Ace Corporation and Top Corporation is -*

a. Valid.

b. Voidable at the option of Top Corporation.

c. Void because corporations with interlocking directorate should not enter into a contract with each other.

d. Unenforceable against Top Corporation.