1. The only relevant costs in non-routine decision making are future costs that vary among decision alternatives. True or False? 2. In deciding whether to sell an old copy machine and buy a new one for your business, the current resale value of the existing old machine is an opportunity cost and relevant to the decision is sunk cost and irrelevant to the decision an opportunity cost and irrelevant to the decision a sunk cost and relevant to the decision 3. In deciding whether to buy a new copy machine for your business and assuming the existing old machine has no resale value, the original purchase price of the old machine is an opportunity cost and relevant to the decision a sunk cost and irrelevant to the decision an opportunity cost and irrelevant to the decision a sunk cost and relevant to the decision