An Archaeologist Has Found a Fossil in Which the Ratio ${ } ^ { 14 } \mathrm { C }$

question 28

Multiple Choice

An archaeologist has found a fossil in which the ratio of ${ } ^ { 14 } \mathrm { C }$ to ${ } ^ { 12 } \mathrm { C }$ is $\frac { 1 } { 6 }$ the ratio in the atmosphere.Approximately how old is the fossil? The half-life of ${ } ^ { 14 } \mathrm { C }$ is 5,730 years.Round to the nearest whole year.

• A)17,190 years
• B)14,812 years
• C)34,380 years
• D)14,842 years

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Definitions:

Total Cost

The complete cost of producing or acquiring goods or services, including both fixed and variable components.

Direct Material Quantity Variance

The difference between the expected and actual quantity of materials used in production, affecting the total manufacturing cost.

Direct Labour Rate Variance

The difference between the actual cost of direct labor and the standard cost, which shows how well labor costs are being managed.

Direct Labour Efficiency Variance

The difference between the expected amount of labor hours needed to produce a given level of output and the actual labor hours used.