An activity in a firm's value chain should be outsourced if which of the following is TRUE: Group of answer choices There is a cost advantage of outsourcing, it is not a core activity and transaction costs are low There is a cost advantage of vertical integration, it is a core activity and transaction costs are low. There is a cost advantage of vertical integration, it is not a core activity and transaction costs are low. There is a cost advantage of outsourcing, it is not a core activity and transaction costs are high