A brand of paint costs Tk. 14 per liter, and 1 liter of paint will cover an area of 150 square feet. What is the minimum cost of paint needed to cover the 4 walls of a rectangular room that is 12 feet wide, 16 feet long and 8 feet high?
A
Tk. 42
B
Tk. 32
C
Tk. 50
D
Tk. 30
Correct Answer: Tk. 42