Answer 6,7 and 8 please show work

constant growth in The Dividend Discount Model (DDM) that assumes co dividends 6. B) is a generbe used when the growth rate is less than the required return. a general model that cannot always be used. C) adjusts for risk. D) all of the above. E) none of the above. Any changes to a firm's projeoted future oash flows that are caused by adding a new project are referred to as: A) eroded cash flows. B) incremental cash flows. C) directly impacted flows. D) opportunity cash flows. E) none of the above. 8) Which of the following terms refers to the best option that was foregone when a particular investment is selected? A) Side effect B) Erosion C) Sunk cost D) Opportunity cost E) Marginal cost