shirley jensen terminated her employment on may 31 20×0 af

Income tax rates for each year are assumed to be 24% on the first $43,000 of income, 32% on the next $44,000, 40% on the next $48,000, and 45% on income over $135,000. Jensen will have no other sources of income in each of the years, except the employment income of $20,000 in 20X0.
Required:
With the information provided, outline the tax consequences to Jensen for each alternative method of determining business income for each of the three taxation years. Which method will you recommend?