Assume that the actuarially required pension plan contribution for a county for its general government employees is $8,000,000. Compute the pension expenditures to be reported in each of the following situations:
1. The county contributed $5,000,000 to the pension plan. Its unfunded pension liability increased by $3,000,000 (all classified as unmatured).
2. The county contributed $4,500,000 to the pension plan. Its unfunded pension liability increased by $3,500,000 (all classified as unmatured).
3. The county contributed $4,200,000 to the pension plan. The matured portion of its unfunded pension liability increased $150,000.
4. The county contributed $9,000,000 to the pension plan. The matured portion of its unfunded pension liability decreased $200,000.