Jurisdiction X levies a flat 12 percent tax on individual income in excess of $35, 000 per year. Individuals who earn $35, 000 or less pay no income tax. a. Mr. Hill earned $89, 800 income this year. Compute his income tax and determine his average and marginal tax rate. b. Ms. Lui earned $42, 500 income this year. Compute her income tax and determine her average and marginal tax rate. c. Ms. Archer earned $31, 000 income this year and paid no income tax. Describe her average and marginal tax rate. d. What type of rate structure does Jurisdiction X use for its individual income tax?