In an SQL query, the built-in functions SUM and AVG work with columns containing data of which of the following data types?

The cost of intangible assets should be:

a. amortized over the assets' estimated useful life, or its legal life, whichever is shorter. b. amortized over a period not exceeding 5 years. c. amortized over the assets' estimated useful life. d. charged to an expense account at acquisition.

Oxxon Co's ship ran into a rock, spilling oil on some cottage lands

Jane Doe is a member of an environmental protection group that wants to bring a class action against Oxxon as a test case on behalf of all cottage owners whose property was affected by the oil spill. Jane does not own a cottage, but a majority of the cottage owners support her. Which of the following is TRUE? A) Jane can start a class action provided she states that it's on behalf of all cottage owners whose land was damaged by the oil spill. B) Jane can start class action provided she has the written permission of a majority of cottage owners whose land was damaged by the oil spill. C) Jane must ask the court to certify her as a representative of the affected cottage owners before she can start the proposed class action. D) Jane cannot start a class action in these circumstances because class actions are restricted to product liability actions. E) Jane can start a class action provided she is prepared to indemnify the cottage owners for their costs in the event the action is unsuccessful.