Pauline is the owner of a condominium unit that she rents to a family. Every month, she receives rent money of $1275 from the family. Pauline pays for the utilities and a fee of $75 to the manager of the condominiums. The net amount of money (rent less utilities and condominium fee) that Pauline has received from the family since the family moved into the unit 6 months ago is summarized by the following arithmetic sequence.

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