Which of the following are valid resonance structures of the electophile involved in Friedel-Crafts acylation of benzene upon treatment with CH3COCl and AlCl3? 
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A summary statement of a firm's assets, liabilities, and equity held by shareholders, reflecting its financial position at a specific moment.
Percentage Increase
Percentage increase is calculating the extent of growth in a value over time, expressed as a proportion of the original value.
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A comparative balance sheet presents the financial position of a company at two or more different points in time, allowing for analysis of trends and changes in assets, liabilities, and equity.
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A financial analysis technique that compares line items in financial statements over a series of periods to identify trends and growth patterns.
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