answer all the questions please

2.A management accountant who has accepted a Caribbean vacation package as a gift from the Chairman of an overseas raw material supplier firm, has breached the ethical standard of: A. competence B. integrity C. eloquence D. sincerity 3. In a limiting factor situation, a company should give priority to the manufacture of a product which has the highest: A. production levels B. selling price C. contribution per unit D. contribution per unit of scarce resource 4.Costs which are always relevant in decision making are those costs which are: A. constant B. avoidable C. sunk D. fixed 5.Consider a decision facing a firm of either accepting or rejecting a special offer for one of its products. A cost that is not relevant is: A. direct materials B. variable overhead C. fixed overhead that will be avoided if the special offer is accepted D. common fixed overhead that will continue if the special offer is not accepted 6. To maximize total contribution margin, a firm faced with a production constraint should: A. promote those products having the highest unit contribution margins B. promote those products having the highest contribution margin ratios C. promote those products having the highest contribution margin per unit of constrained resource D. promote those products have the highest contribution margins and contribution margin ratios