What are the four support activities in the value chain? (Check all that apply.) Multiple select question. general administration procurement outbound logistics service technology development human resource managementAccording to value-chain analysis, a firm Blank______. Multiple choice question. is profitable when the value it receives exceeds total costs creates value to customers when its support activities cost less than its primary activities is profitable when primary costs are less than support costs becomes unprofitable when support costs are greater than primary costs