The Speedjet Aircraft Corporation has a central materials laboratory. The laboratory has only two users, the Large Plane Department and the Small Plane Department. The following data apply to the coming budget year: Budgeted costs of operating the materials laboratory for 100,000 to 200,000 technician hours per year: Fixed costs per year Variable costs Budgeted long-run usage in hours per year: Large Plane Department Small Plane Department Budgeted amounts are used to calculate the allocation rates. $8,400,000 $72 per technician hour 90,000 technician hours 110,000 technician hours Actual usage for the year by the Large Plane Department was 70,000 technician hours and by the Small Plane Department was 80,000 technician hours. If a dual-rate cost-allocation method is used, what amount of materials laboratory costs will be budgeted for the Large Plane Department? OA. $10,260,000 B. $11,520,000 C. $8,960,000 D. $7,980,000