Under what circumstances may a taxpayer deduct an illegal bribe or kickback? OA. A bribe or kickback that is illegal under state law may be deducted by the taxpayer if it is reasonable to assume that the taxpayer had no knowledge of the illegal activity. OB. A bribe or kickback that is illegal under state law may be deducted by the taxpayer if the payment was considered necessary to maintaining an important business relationship. OC. A bribe or kickback that is illegal under state law may be deducted by the taxpayer if the state law is not generally enforced. OD. A bribe or kickback that is illegal under state law may be deducted by the taxpayer if the payment was considered necessary to maintain profit margins. D