Boston Scientific is considering three projects for next year. They want you to use a MARR=12%, which alternative should be selected? A B C _- New Catheter Former Improve Packaging m $105,400 $67,800 $115,450 Annual Savings 22,600 $15, 100 $24,000 a) Use NPW b) Use AW c) Use IRR d) Use Benefit Cost Ratios e) Use Payback Period