2026 CSS P2 Q10

Samantha owns a renovation company that specialises in vinyl flooring installation.

A homeowner wishes to replace the flooring in all three bedrooms of the apartment shown below.

1. Show that the total floor area of the three bedrooms is \(52.35\text{ m}^2\).[3]
2. Samantha receives the following quotation.

   Item	Description	Unit Cost
   Vinyl planks	\(0.18\text{ m}\times1.22\text{ m}\) 12 planks per box	\(\$68\) per box
   Skirting boards	\(2.4\text{ m}\) per piece	\(\$8.50\) per piece

   Vinyl planks and skirting boards are sold in whole boxes and by pieces respectively.
   Skirting boards are installed around the perimeter of the three bedrooms, excluding the three bedroom door openings. Each door opening is \(0.8\text{ m}\) wide.

   Cost	Amount
   Labour	\(\$35\) per hour per installer
   Number of installers	\(3\)
   Working hours	\(8\) hours per day
   Duration	\(2\) days
   Total transportation cost	\(\$180\)
   Disposal of old flooring	\(\$250\)

   Additional information: \(1\text{ m}^2=10.764\text{ ft}^2\).
   Samantha wants to make a \(20\%\) profit. Calculate the minimum price per square foot Samantha should charge.[7]