Sam Burke, CPA, finds a material error in his client's previously filed tax return and advises the client on how to correct it. Under AICPA rules, what should Sam do if the client does not agree to correct the error? Offer a reduced fee to the client to correct the return. Amend and file the return without the client's knowledge. Consider his continued association with the client. Disclose the matter to the IRS.

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is:

Why did working women earn one-thrid to one-half as much as men