ON receives. This is an example of what he would receive if he works only 30 hours a week. From $50,001 to $90,000, up to $60,000 annual income. As Manuel works more, the additional amount he receives from working 10 more hours. Manuel initially works 20 hours a week and then works 30% more, 20% more, and 10% more. Tax Rate The following table shows income tax rates in Econlan. Income tax liability Homework #9 Chapter 10 and Chapter 11 combined per year. In other words, by working 10 more hours per week, Manuel will receive an additional $10,000. In other words, by working an additional 10 hours per week, Manuel receives an additional $40,000 per year. After paying income tax, his net income comes to $40,000.