The length of a room is 5.5 m and width is 3.75 m. What is the cost of paying the floor by slabs at the rate of $300 per sq. metre.	Select the correct option.
A) $2587.50	B) $3587.50	C) $4187.50	D) $6187.50	E) $8587.50
Area =5.5×3.75 sq. metre.   Cost for 1 sq. metre. = $300   Hence, total cost   =5.5×3.75×300= $6187.50   $6187.50
<result>D</result>
The length of a room is 5.5 m and width is 3.75 m. What is the cost of paying the floor by slabs at the rate of $300 per sq. metre.