I need help finding the cumulative cost (question 4 )and also 5 and 6

1) Calculate the value index per category by taking the product of the number of units with the value index per unit Do this for each feature category, placing the result in column G 2) Calculate the same for cost per category--take the product of the number of units with the Cost per unit Do this for each feature category, placing the result in column H 3) Sort using the sort function under the data tab in descending order of value index per category You will be sorting on column G in descending order Be sure that you include all columns in your table range 4) Calculate a cumulative cost in column I 5) By examining the cumulative cost column, column I, decide what features you will scrub (eliminate) from the list Assume there is a budget of $500 (1000s of $) for this project 6) Which feature category would you implement first? Second? 7) What do you like about this approach? 8) What do you not like about it