Two alternative replacement machines are being consided to replace a current one. Machine A has a first cost of $75,200 and its salvage value at the end of six years of estimated service life is $21,000. The operating costs of this machine are estimated to be $6,800 per year. Machine B has a first cost of $44,000, and its salvage value at the end of six years' service is estimated to be negligible. The annual operating costs will be $11,500. Compare these two using a present worth criteria at i = 13%.
 

 

 

 

Consider the sets of investment projects from the table below. Compute the equivalent annual worth of each project at I =10%, and determine the acceptability of each project

 

 

 

n

 

A

 

B

 

C

 

D

 

0

 

-$1500

 

-$3,500

 

-$6,000

 

-$15,000

 

1

 

400

 

3,000

 

-3,000

 

2,000

 

2

 

500

 

2,000

 

6,000

 

4,000

 

3

 

600

 

1,000

 

2,000

 

6,000

 

4

 

700

 

500

 

4,000

 

8,000

 

5

 

800

 

500

 

2,000

 

10,000

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