Country A levies an individual income tax with the following rate structure:

Percentage Rate	Bracket
10%	Income from -0- to $20,000
15	Income from $20,001 to $75,000
25	Income from $75,001 to $160,000
30	Income in excess of $160,000

Ms. Slattery's annual taxable income for years 1 through 5 is $140,200. Ms. Ochoa's taxable income for years 1 through 4 is $16,500. In year 5, Ms. Ochoa wins a lottery, resulting in taxable income of $635,000 for this one year. Assume the tax rate bracket has not changed.

Required:

1. How much total income does each individual earn over the 5-year period?
2. Compute each individual's average tax rate for the 5-year period.