Answer: The indigenous people of the Pacific Northwest constructed their plank homes from red cedar trees (Thuja plicata), with rare use of yellow cedar, spruce or hemlock up North. Houses were often 40-60 feet square. The primary frame of plank houses consisted of cedar logs: usually 8 posts peg-joined to 4-6 roof beams.
Explanation:
Here is the formula to calculate GDP:
GDP<span> = C + G + I + NX
</span>Where I is the investment that include all form of capital expenditure
Both sales mentioned above could be considered as a form of Capital expenditure, so the total contribution to GRP would be:
$30 + $ 15 = $ 45
