Why is this so?

Assume the following: 2007 2006 Deferred tax assets $16,500 $14,500 Valuation allowance (1,000) (2,000) Net deferred tax assets $15,500 $12,500 Net deferred tax liabilities ($17,000) ($25,000) Compared to the provision for income taxes in 2007, the company's cash tax payments were: lower higher There is not enough data to answer the