Use the following table to answer questions 18 and 19 Taxable income Up to $10,000 From $10,000 to $20,000 From $20,000 to $30,000 From $30,000 to $40,000 From $40,000 to $50,000 Over $50.000 Tax rate 0% 10% 20% 30% 40% 50% 18. (3 points) If Marcos has $50,000 in taxable income, his average tax rate is: A. 25.00% B. 20.00% C. 15.00% D. 10.00% 19. (3 points) If Lod has $50,000 in taxable income, his tax liability is: A. $10,000 B. $8,000 C. $9,000 D. $7,000