X Company used the high-low method with information from April and September, to predict monthly factory costs. In April, factory costs were $6,158, and 1,150 units were produced. In September, factory costs were $12,558, and 4,350 units were produced. What are estimated total fixed factory costs in December, when the company expects to produce 3,850 units? OA: $873 B: $1,265 OC: $1,835 OD: $2,661 E: $3,858 OF: $5,594