Week 12

Abrasives, Grinding, Deburring, Friction Wear, Lubrication, Mechanical Surface, Laser-beam, Abrasive-jet, Engineering Management

Abrasive

Grinder

Deburring

Friction Wear

Lubrication

Mechanical Surface

Laser-beam

Abrasive-jet

Engineering Management

1. Depreciation

Year

Depreciation for year

Sum of Depreciation

Book Value

TAX

1

$ 277

$ 277

900 - 277 = $ 623

$ 62.3

2

$ 221

$ 498

900 - 498 = $ 402

$ 40.2

3

$ 166

$ 664

900 - 664 = $ 236

$ 23.6

4

$ 111

$ 775

900 - 775 = $ 125

$ 12.5

5

$ 55

$ 830

900 - 830 = $ 70

$ 7

2. Inflation 0.085%

Year

Electricity

1

$ 55,000 (1.085)^0 = 55,000

2

$ 55,000 (1.085)^1 = 59,675

3

$ 55,000 (1.085)^2 = 64,747

4

$ 55,000 (1.085)^3 = 70,251

5

$ 55,000 (1.085)^4 = 76,222

NASA

FINAL