Work should be performed by an individual if ) the work is complex and requires different perspectivesb) the work creates a common purpose or set of goals for the people in the group that is more than the aggregate of individual goalsc) the work is simple and does not require diverse inputd) several tasks that are interdependent are to be performed for completing the worke) performing the work requires learning a new technology or understanding a new system

Quick calculate the roi dollar amount and percentage for these example investments. a. you invest $50 in a government bond that says you can redeem it a year later for $55. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage. b. you invest $200 in stocks and sell them one year later for $230. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage.