A Sample of Parchment Produces 10

question 8

Multiple Choice

A sample of parchment produces 10.3 disintegrations of ¹⁴C per minute per gram of carbon. Estimate the age of the parchment, assuming the original activity was 15.3 disintegrations per minute per gram of carbon. (t_1/2 = 5730 years)

• A) 8.5×10³ yr
• B) 3.9×10³ yr
• C) 3.3×10³ yr
• D) 2.3×10³ yr
• E) none of these

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Definitions:

Contribution Margin Ratio

The percentage of each sales dollar that remains after variable costs are subtracted, indicating how much contributes towards fixed costs and profit.

Target Profit

The desired amount of net income a company aims to achieve for a certain period as part of its financial and strategic planning.

Monthly Fixed Expense

Costs that do not vary with the level of production or sales in a given period, such as rent or salaries, accruing on a monthly basis.

Margin Of Safety

The difference between actual or projected sales and the break-even point, indicating the buffer against losses.