Chelsea worries constantly that her son will be infected with germs when someone touches him. she has developed elaborate handwashing rituals so that she won't infect him, and she will not allow others to hold, talk, or play with him unless she can supervise as they wash their hands with a "special" soap. chelsea is suffering from:

a) generalized anxiety disorder.
b) specific phobia.
c) posttraumatic stress disorder.
d) obsessive-compulsive disorder.

D) obsessive-compulsive disorder.                

Explanation:

Obsessive-compulsive disorder: In abnormal psychology, the term obsessive-compulsive disorder is also represented as OCD, and is defined as a mental disorder that hampers people of different age groups and often lasts through life. It occurs when an individual experiences various cycles of obsession and compulsions.

A person with OCD often experiences intrusive and unwanted thoughts, urges that lead to develop distressing feelings.

Types: Contamination and washing, doubts related to accidental harm, etc.

In the question above, Chelsea is suffering from obsessive-compulsive disorder.

you would times this by how many days there are in a year 365*400=$146000