Ken hired a construction company to build his first house. Based on the provided quote, the construction cost is going to be 300,000 dollars for the 150 m2 layout. Use the given table and calculate the following (a) The construction cost of each square meter. (b) A 255 m2 layout is available as well. Find the total construction cost if: I. All of the costs change proportionately to the size increase of the larger layout. II. The first two costs remain unchanged, but all other costs change proportionally

I am not sure how to go about the last question

\begin{tabular}{ll} \hline Cost & Percentage \\ Land transfer and permit & 7 \\ Site prep & 16 \\ Foundation & 12 \\ Framing & 11 \\ Ventilation, heating and cooling & 15 \\ Plumbing and electrical & 13 \\ Roofing & 11 \\ Finishing & 15 \\ \hline Total & 100 \end{tabular}