In Order to Produce 100 Pairs of Oven Gloves, Marcia

In order to produce 100 pairs of oven gloves, Marcia incurs an average total cost of $2.50 per pair. Marcia's marginal cost is constant at $10.00 for every pair of oven gloves produced. The total cost to produce 50 pairs of oven gloves is

A) $250.00
B) $500.00
C) $300.00
D) $200.00