Neakanie Industries sells specialized mountain bikes. Each specialized bike purchased includes free maintenance service for 12 months. The price of the specialized bike is $700. When sold separately, a maintenance contract is $200, and a comparable but non-specialized bike is $600. If Neakanie sold 3 bikes on December 1, how much total revenue would the company recognize on December 31?

a. $1618.75

b. $ 2937.50

c. $250.00

d. $2250.00