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 $400 per sq. metre.
Choose the correct choice:
A) $ 8250	B) $ 8350	C) $ 8650	D) $ 8450	E) $ 8500

Rationale: "area = 5.5 × 3.75 sq . metre . cost for 1 sq . metre . = $ 400 hence , total cost = 5.5 × 3.75 × 400 = $ 8250 a"
Answer: A