Current service cost for a defined benefit pension plan amounted to $1,000,000. Expected income on the pension plan's assets amounted to $7,500,000, while actual income was $7,800,000. The interest on the pension obligation was $9,000,000, which matched the actuarial estimates. No past service costs arose during the year. Given this information the pension expense for the year was: () A: $500,000 B: $2,200,000 C: $2,500,000 D: $1,000,000