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