# [Answer] Why might variable expenses change a great deal at different times of year?

###### Answer: Heating and cooling costs might vary considerably.
Why might variable expenses change a great deal at different times of year?

In time series data seasonality is the presence of variations that occur at specific regular intervals less than a year such as weekly monthly or quarterly. Seasonality may be caused by various factors such as weather vacation and holidays and consists of periodic repetitive and generally regular and predictable patterns in the levels of a time series.

A common variable pay plan might be the sales person receives 50% of every dollar they bring in up to a level of revenue at which they then bump up to 85% for every dollar they bring in going forward. Typically this type of plan is based on an annual period of time requiring a “resetting” each year back to the starting point of 50%.

The Monty Hall problem is a brain teaser in the form of a probability puzzle loosely based on the American television game show Let’s Make a Deal and named after its original host Monty Hall.The problem was originally posed (and solved) in a letter by Steve Selvin to the American Statistician in 1975. It became famous as a question from a reader’s letter quoted in Marilyn vos Savant’s “Ask …

Capitalization rate (or “cap rate”) is a real estate valuation measure used to compare different real estate investments.Although there are many variations a cap rate is often calculated as the ratio between the net operating income produced by an asset and the original capital cost (the price paid to buy the asset) or alternatively its current market value

GDP (Gross Domestic Product) is the value of all goods and services produced within a country during one year .GDP measures flows rather than stocks (example: the public deficit is a flow measured per unit of time while the government debt is a stock an accumulation). GDP can be expressed equivalently in terms of production or the…