X Company currently makes a part and is considering buying it from a company that has offered to supply it for $19.80 per unit. This year, per-unit production costs to produce 19,000 units were: Direct materials Direct labor Overhead Total $8.00 6.20 6.90 $21.10 $55,100 of the total overhead costs were fixed. $30,305 of the fixed overhead costs are avoidable if X Company buys the part. If the company buys the part, the resources that are used to make it cannot be used for anything else. Production next year is expected to be 18,150 units. If X Company buys the part instead of making it, it will save A: $810 OB: $1,012 OC: $1,265 OD: $1,581 OE: $1,977 OF: $2,471