Government G levies an income tax with the following rate structure: Percentage Rate Bracket Income from -0- to $30, 000 Income from $30, 001 to $70, 000 Income from $.70, 1 to $200,000 Income in excess of $200, 00G 6% 10 20 28 Taxpayer O earns $56,500 annually during years 1 through 10. Taxpayer P earns $20,500 annually during years 1 through 5 and $92,500 annually during years 6 through 10. Assume the tax rate bracket has not changed. a. How much total income does each taxpayer earn over the 10-year period? b. Compute each taxpayer's average tax rate for the 10-year period