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Exercise 22: Adding a tariff

Watch the video presentation and/or read the full text below

We have just seen that USD 300 per customer is ‘sufficient’ annual revenue to cover costs, but only actually from Y6 onwards. Instead, we will aim for USD 360, as a ‘round multiple of 12’, corresponding to a monthly tariff of USD 30:

  1. Access the Tariffs dialog from the icon menu for the service.
  2. Enter the Rental Tariff and Tariff Period inputs as shown below (directly analogous to the Rental Cost and Cost Period we used for the Space resource).

Figure 47: Rental Tariff and Tariff Period service inputs, comparable to Rental Cost and Cost Period for Space

  1. Run the model. The Results program is activated.
  2. Now the Revenue per Average Connection result comes to life, flat at USD 360 as expected, and exceeds the fully-allocated cost per customer from Y5 onwards.
  3. Draw the graphs Operating Profit and Operating Profit Margin for the service. (You can make a multiple selection in the Graphs tab of the Draw Similar dialog.) The latter is very negative in Y1, so we will amend the scale again.
  4. Set Minimum = 0 in the Format Value Axis dialog (for the value axis) and click OK. The graph is redrawn with the negative values suppressed.

Figure 48: Revenue per Average Connection exceeds the fully-allocated cost per customer from Y5 onwards

The service is evidently profitable from the end of Y5, increasing from 14% to 28% over the next five years, but is that enough for a convincing business case?

Things that you should have seen and understood

Rental Tariff, Tariff Period
Operating Profit, Operating Profit Margin
Format Axis, Minimum

 

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