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.
Choose the correct option
A) $ 2587.50
B) $ 3587.50
C) $ 4187.50
D) $ 6187.50
E) $ 8587.50

Rationale: "area = 5.5 × 3.75 sq . metre . cost for 1 sq . metre . = $ 300 hence , total cost = 5.5 × 3.75 × 300 = $ 6187.50 d"
Answer: D