Problem 1. Inc The following costs and useful life data are associated with two new machines being considered at Arun Tech Alt. B 19 Alt. A Data Useful Life, Years First Cost Salvage Value Annual Benefit Annual Benefit, Gradient Maintenance & Operating Costs S250,000 $460,000 $13,000 $26,000 $92,000 $103,000 | $1,250 | $2,100 16,000 18,000 t economic analysis using either present worth or annual cash flow The company interest rate (MARR) is 12%. Conduc methods and recommend which machine should be purchased. A. Construct cash flows diagram for Alternative A and B B. Using the present worth analysis method, determine the net present worth (NPW- PWB-PWC) of alternative A, & B, and recommend the most economical alternative. C. Using the equivalent uniform annual cash flow method, determine the equivalent uniform annual worth (EUAW EUAB- EUAC) of alternative A and B; and select the most economical alternative