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Detailed Calculations

Modeling Tenant Expenses

Last updated on 31 Oct, 2025

There are two ways expenses can be input. The first is in $ per RSF. The second is in $ per month or $ per year.


In the above example, you'll see that Electricity is input as a $ per RSF expense. In this instance Electricity is expected to cost $2.50/rsf/year, beginning in month 1 and inflating at 3.0% annually.

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Then, the tenant also has several fixed expenses.

The first is Unreserved Parking. This example includes 20 unreserved spaces, at a rate of $50.00 per space, per month. This is input as follows:

  • Name: Unreserved Parking

  • Begin in month: 1

  • Amount $50.00

  • Multiple: 20 (the number of spaces)

  • Units: $/month

  • Inflation: 3.00%

The next is Reserved Parking. In the above example, the tenant also has 5 reserved spaces at a cost of $100.00 per space, per month. This is input as follows:

  • Name: Reserved Parking

  • Begin in month: 1

  • Amount: $100.00

  • Multiple: 5 (the number of spaces)

  • Units: $/month

  • Inflation: 3.00%

The final Fixed Expense is an annual Storage Expense of $1,000 per year. This is input as follows:

  • Name: Storage

  • Begin in Month: 1

  • Amount: $1,000

  • Multiple: 1 (the number of storage units)

  • Units: $/year

  • Inflation: 0.00%

The RSF Expenses and Fixed Expense Inputs allow for a variety of expenses to be input and analyzed in seconds. Please contact us directly if you have questions regarding this feature.

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