Cost-Volume-Profit Analysis is about formulas and ratios used to determine the profitability of individual products and/or operations.Variable Costing is a way to calculate profitability of a firm's operations by either calculating the contribution margin or gross profit.

Discusshow the contribution margin might be used to determine the profitability of that product at Wal-Mart Inc. and how it's used to make Wal-Mart Inc. more profitable.

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