The length of a room is 5.5 m and width is 3.75 m. Find the cost of paying the floor by slabs at the rate of Rs. 600 per sq.metre.  Choose the most appropriate option:
A) rs . 15,000
B) rs . 15,500
C) rs . 12,375
D) rs . 16,500
E) none

Rationale: "solution area of the floor = ( 5.5 x 3.75 ) m ² = 20.635 m ² cost of paying = rs . ( 600 x 20.625 ) = rs . 12,375 . answer c"
Answer: C