Below is the income tax system for the country of Florin:

For income from $0 to $100, no income tax

For all income above $100 but less than $250, the tax rate is 20%

For all income above $250 but less than $500, the tax rate is 35%

For all income above $500, the tax rate is 45%

If Sam Johnson makes $600, what is his AVERAGE tax rate?

Group of answer choices

31%

25%

35%

27%

33%

29%

None of these