You are planning to purchase a range and have to make a choice among the following three models:

Model 1

Model 2

Model 3

Cash cost

$ 5,000

$ 5,500

$ 5,300

Estimate life

5 years

5 years

5 years

Trade-in value at end of life

$ 1,000

$ 1,200

$ 800

Cash from sale of old machine

$ 200

$ 200

$ 200

Installation of new machine

$ 75

$ 100

$ 100

Initial training cost in year 1

$ 350

$ 300

$ 250

Annual maintenance contract

$ 300

$ 275

$ 200

Annual cost of supplies

$ 200

$ 200

$ 200

Annual wage costs of employees

$32,000

$32,000

$32,000