Let L = L₁ \Cap L₂, Where L₁ and L₂

question 21

Multiple Choice

Let L = L₁ \cap L₂, where L₁ and L₂ are languages as defined below: L₁ = {a^{m}b^{m}ca^{n}b^{n} | m, n >= 0 } L₂ = {a^{i}b^{j}c^{k} | i, j, k >= 0 } Then L is

• A)Not recursive
• B)Regular
• C)Context free but not regular
• D)Recursively enumerable but not context free.

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Definitions:

Volume Variance

The difference between the budgeted and actual volume of production, affecting fixed costs allocation.

Machine-Hours

A unit of measure representing the operation time of a machine, often used in allocating manufacturing costs based on machine usage.

Fixed Overhead Volume Variance

The difference between the budgeted fixed overhead and the applied fixed overhead, which is attributed to the variance in the volume of production.

Standard Labor-Hours

A measurement used in accounting to represent the number of labor hours expected to produce one unit of output.