apple is considering introducing a new iphone model. below is slme cash flows that migjt factor into the analysis. which should they consider (select all that apply)

a. the cost of a marketing study that has already been completed and was used tk determine which features to introduce in the new model

b. cash that must be pakd to apples suppliers to produce the new iphone model

c. sales of new iphone model

d. reduction in sales in older models

e. interest that will be paid on debt issued to finance the new model