Lebron Co Estimated Its Electricity Cost by Using Activity at 12,500

Lebron Co. estimated its electricity cost by using activity at 12,500 kilowatt hours and at 24,000 kilowatt hours. The cost formula was $0.03 + $1,430. Lebron Co. planned on using 18,000 kilowatt hours in March, but actually used 19,200. Lebron's expected electricity cost for March was

A) $1,805.
B) $1,970.
C) $1,988.
D) $2,006.
E) $2,150.