Charcoal Found Under a Stone at Stonehenge, England, Has a Carbon-14

question 9

Multiple Choice

Charcoal found under a stone at Stonehenge, England, has a carbon-14 activity that is 0.60 that of new wood. How old is the charcoal (The half-life of carbon-14 is 5,730 years.)

• A) Less than 5,730 yr
• B) Between 5,730 and 11,460 yr
• C) Between 11,460 and 17,190 yr
• D) More than 17,190 yr

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Definitions:

Weighted-Average Method

An inventory costing method that assigns a cost to inventory on the basis of the average cost of all similar goods available during the period.

Conversion Costs

The combined costs of direct labor and manufacturing overhead involved in transforming raw materials into finished goods.

Ending Inventory

The total value of goods available for sale at the end of an accounting period, calculated as beginning inventory plus purchases less cost of goods sold.

Conversion Costs

are the costs required to convert raw materials into finished goods, comprising direct labor and manufacturing overhead.