Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
-(Table: Income and Utility for Tyler) Use Table: Income and Utility for Tyler.The table shows the utility Tyler receives at various income levels,but she does not know what her income will be next year.There is a 40% chance her income will be $20,000,a 40% chance her income will be $30,000,and a 20% chance her income will be $40,000.What is her expected income?

A) $28,000
B) $29,000
C) $30,000
D) $31,000