| 摘要 |
A method and apparatus are provided for selling solar roofs. The method includes the steps of estimating an internal cost of a roof and of a solar system disposed over the roof and apportioning at least some of the costs between the roof and solar system. The method further includes the steps of adding a profit to the apportioned cost of the solar system to provide a solar project estimate, adding the solar project estimate to the apportioned roof cost to provide a project estimate and calculating a return cash flow over a predetermined time period from the project estimate of the roof and solar system. The method also includes the step of determining a dollar value that a competitor would be required to charge for a competitive roof alone to achieve a comparable return cash flow over the predetermined time period.
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