B Trade-off
Software

The software is based on Microsoft EXCEL versions 4.0 and 5.0 for Macintosh and IBM compatible systems .

The main structure is composed of seven interlinked spreadsheet charts. The first two sheets receive inputs and the other five produce outputs.

Inputs
Spreadsheet Charts
01 Inputs
02 Inputs

Outputs
Spreadsheet Charts
03 House floor area
04 House floor area with subsidy
05 House total price
06 Monthly payments
07 Family income

In this particular example the information is provided in US Dollars, but it is possible to use any type of currency.

Each Spreadsheet chart has the project title and date at the top, and has a graphical representation of the most important information.

The input cells have a double outline

The output cells have a single outline