A large textile company is trying to decide among three alternatives of sludge dewatering processes. The costs associated with these alternatives are shown below. Alternative Y will need an upgrade of $9700 at the end of year 2. At the end of year 2, alternative Z would be replaced with another alternative Z having the same installed and operating costs. If the MARR is 14% per year, which alternative should be chosen? 
Definitions:
Fragile
Easily broken or damaged; delicate and not strong.
First Marriages
The initial nuptial union of an individual, as opposed to second or subsequent marriages.
Sociologists
Professionals who study social behavior, society, patterns of social relationships, social interaction, and cultures that shape our experiences in society.
Stepfamily
A household in which at least one parent is raising children from a past relationship.
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