This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to frame a dormer
Schedule your project considering that the roof will be wide open and the work may last an entire day.
Create a layout that incorporates the details of the project such as slope, headroom and exterior appearance.
Purchase your materials, including wood, windows and any other specialty items.

Select from:
a). A master joist (standalone working kit) will do the job for you. Mark the area where the client can be placed to get an idea of what you need.;
b). Arrange for delivery of the materials as well as an industrial trash receptacle for the scraps. Acquire a heavy-duty tarp that is large enough to entirely cover the roof.;
c). These will act as framing materials and can be removed when the project is complete. Mount studs in the roof and wall to serve as the roofing material and overlay.;
d). Rent the interior and exterior of the house with rental money. Obtain your plan by doing a quick internet search to obtain details, such as the weather and how to get to the property.;
The answer is:
b).