Determine the better of the two alternatives using the present worth analysis. Use an interest rate of 10%. 4. The analysis period is 6 years since the LCM of 2 and 3 is 6. Alt. X Alt.Y Initial cost $12,000 $8,400 Annual benefit $6,300 $1,500 Salvage value $4,500 $8,400 Life in years 2 years 3 Years MARR 10%