Snyders Kennel uses tenant-days as its measure of activity; an animal housed in the kennel for one day is counted as one tenant-day. During October, the kennel budgeted for 2,600 tenant-days, but its actual level of activity was 2,610 tenant-days. The kennel has provided the following data concerning the formulas to be used in its budgeting: 
-The activity variance for net operating income in October would be closest to:
Definitions:
Information-Processing Speed
The rate at which individuals can perceive, assimilate, and respond to information.
Social Clock
The culturally preferred timing of social events such as marriage, parenthood, and retirement.
Fluid Intelligence
The ability to reason and solve novel problems, independent of any knowledge from the past.
Genetic Predispositions
Natural tendencies or susceptibilities influenced by genetic makeup that may increase the chance of developing particular traits or disorders.
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