Find the cost of fencing around a circular field of diameter 30 m at the rate of Rs.5 a meter?	Choose the correct choice:
A) 288
B) 132
C) 772
D) 592
E) 471.25
2 * 22/7 * 15 = 94.25   94.25 * 5 = Rs.471.25   Answer: 471.25
<result>E</result>
Find the cost of fencing around a circular field of diameter 30 m at the rate of Rs.5 a meter?