question 7&8 please

Case Study 189 6. A new inventory management system for ABC Com ventory management system for ABC Company could be developed at a cost of $260,000. The estimated net operating costs and estimated net benefits over six years of operation would be Year Estimated Net Operating Costs Estimated Net Benefits $260,000 $0 7,000 42,000 9,400 78,000 11,000 82,000 14,000 115,000 15,000 120,000 25,000 140,000 AN a. What would the payback period be for this investment? Would it be a good or bad investment? Why? b. What is the ROI for this investment? c. Assuming a 15% discount rate, what is this investment's NPV? 7. Compare and contrast the IT scorecard and dashboard approaches. Which, if either, would be most useful to you as a general manager? Please explain. 8. TCO is one way to account for costs associated with a specific infrastructure. This method does not include additional costs such as disposal costs the costs to dispose of the system when it is no longer of use. What other additional costs might be of importance in making total cost calculations