Which equipment is preferred if the firm's interest rate is 15%? In PW terms, how great is the difference?
Alternative "A" Alternative "B"
First cost $45,000 $35,000
Annual O&M $3,900 $4,200
Salvage value $0 $5,000
Overhaul (Year 6) $10,000 Not required
Life 10 years 5 years