I need help with these questions please

Question 11 (1 point) Sales taxes are proportional in relation to income because the same tax rate applies regardless of the size of a purchase. 1) True (2) False Question 12 (1 point) Indy currently earns $50,000 in taxable income and pays $8,000 in taxes. Suppose that Indy faces a marginal tax rate of 25 percent and his boss offers him a raise of $2,000 per year. Indy should: O 1) accept the raise because his after-tax income will rise by $1,500. O 2) reject the raise because his after-tax income will fall by $3,000. ( 3) reject the raise because his after-tax income will fall by $4,500. 4) reject the raise because his after-tax income will fall by $6,000