Enron's aggressive accounting practices were not hidden from the board of directors, as later learned by a Senate subcommittee. The board was informed of the rationale for using the Whitewing, LJM, and Raptor transactions, and after approving them, received status updates on the entities' operations. Although not all of Enron's widespread improper accounting practices were revealed to the board, the practices were dependent on board decisions. Even though Enron extensively relied on derivatives for its business, the company's finance committee and board did not have enough experience with derivatives to understand what they were being told. The Senate subcommittee argued that had there been a detailed understanding of how the derivatives were organized, the board would have prevented their use.