uiz-4 Using the incremental B/C analysis (AB/C). Determine the best alternative. Quiz-5 Using the incremental rate of return (AROR) analysis. Determine the best alternative. MARR =10%. C D First cost 45,000 $25,000 $35,000 $15,000 O&M Cost/year $4,000 $1,500 $3,000 $2,000 Benefit/year $15,000 $9,500 $14,000 $8,000 Salvage value $9,000 $5,000 $7,000 $3,000 Life in years 10