Fossilized Stromatolites

question 13

Multiple Choice

Fossilized stromatolites

• A) all date from 2.7 billion years ago.
• B) formed around deep-sea vents.
• C) resemble structures formed by bacterial communities that are found today in some warm, shallow, salty bays.
• D) provide evidence that plants moved onto land in the company of fungi around 500 million years ago.
• E) contain the first undisputed fossils of eukaryotes and date from 2.1 billion years ago.

---

Definitions:

Predetermined Overhead Rate

A rate used to apply manufacturing overhead costs to products, calculated before the period begins based on estimated costs and activity levels.

Variable Manufacturing Overhead

Costs in the manufacturing process that vary with the level of production output, such as materials and energy usage.

Fixed Manufacturing Overhead

Costs associated with manufacturing that remain constant regardless of the level of production, such as salaries of management and rent of the facility.

Absorption Costing

A costing method that includes all manufacturing costs, both fixed and variable, in the cost of goods sold.