Della Corporation is headquartered in Carlisle, Pennsylvania. Della has a Pennsylvania state income tax base of $425,000. Of this amount, $75,000 was nonbusiness income. Della's Pennsylvania apportionment factor is 28.52 percent. The nonbusiness income allocated to Pennsylvania was $61,000. Assuming a Pennsylvania corporate tax rate of 7.75 percent, what is Della's Pennsylvania state tax liability? (Round your answer to the nearest whole number.) Multiple Choice $13,549 $8,821 $12,464 $9,084