The Millennium Chemical Corporation announced that for the period ending December 31, 2015, it earned income after taxes of $2,768,028 on revenues of $13,144,680. The companys costs (excluding depreciation and amortization) amounted to 61% of revenues, and Centennial had interest expenses of $392,168. What is the firms depreciation and amortization expense if its tax rate was 30 percent?

a.	$ 540,275
b.	$ 486,290
c.	$ 958,083
d.	$ 779,931