​Tony's Taco Truck Has an Average Variable Cost of $1

Multiple Choice

​Tony's Taco Truck has an average variable cost of $1.50 and a marginal cost of $2 when it produces 50 units of output (tacos) . We can conclude that the average variable cost of producing 51 tacos is

A) ​higher than $1.50.
B) ​lower than $1.50.
C) ​equal to $1.50.
D) ​either higher or lower than $1.50 depending on the direction of the marginal cost curve.