Gorley 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 February, the kennel budgeted for 3,900 tenant-days, but its actual level of activity was 3,940 tenant-days. The kennel has provided the following data concerning the formulas to be used in its budgeting: 
-The activity variance for wages and salaries in February would be closest to:
Definitions:
Interest Rate
The percentage charged on the total amount of borrowed money or earned through investments, indicating the cost of credit or yield.
Monetary Policy
The process by which a central bank or monetary authority manages the money supply and interest rates to achieve macroeconomic objectives such as controlling inflation, consumption, growth, and liquidity.
Money Supply
The entirety of monetary valuables available in an economy at any chosen time, featuring cash in the form of coins and notes, along with the sums in checking and savings accounts.
Interest Rate
The amount charged by lenders to borrowers for the use of money, expressed as a percentage of the principal.
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