Create an argument supporting that using the earnings-based valuation method yields the most accurate results

Create an argument supporting that using the earnings-based valuation method yields the most accurate results. Provide support for your argument.
Assess the challenges related to using the earnings-based valuation method in practice, suggesting how each of these challenges may be overcome. Provide support for your rationale.

Evaluate the likely impact on a firm’s valuation when using U.S. GAAP versus IFRS accounting methods, indicating which accounting standards you believe may yield a more favorable result. Provide support for your position.
Determine how a firm’s valuation using the earnings-based valuation method would be impacted when using aggressive versus conservative accounting. Provide evidence supporting your conclusion.