A consumer is offered the following rate of tariff. He has to pay a fixed charge of Rs. 1,000 per month and a running charge of Rs. 4.50 per unit consumed. If the consumer runs a motor load of 1kW at 0.85 power factor lagging on an average of 15 hours per day, his annual bill is

A

Rs. 32941.88

B

Rs. 25637.50

C

Rs. 36637.50

D

Rs. 40985.29