X Company used the high-low method with information from March and July, to predict monthly factory costs. In March, factory costs were $6,910, and 1,650 units were produced. In July, factory costs were $13,070, and 4,450 units were produced. What are estimated total factory costs in September, when the company expects to produce 3,350 units?

A: $4,527

B: $6,021

C: $8,008

D: $10,650

E: $14,164

F: $18,839