Consider the following lax structure: Income Bracket Marginal Tax Rate $0 - $2,000 [1% $2,000 $25,000 30% > $25,000 40% a. Mr. Smith has an income of $80,000 per annum. Calculate his tax bill for the year: 3|] l1 What is his average tax rate\"?I |:|% {Round to two decimal places.) c. 1|.I"l'hat is his highest marginal tax rate? |:|%