Final answer:
The percent-of-sales method is not the most accurate and detailed method of forecasting necessary funds in business.
Step-by-step explanation:
The statement is False. The percent-of-sales method is a forecasting technique used by businesses to predict necessary funds. However, while it can provide a rough approximation, it is not the most accurate and detailed method. Other methods, such as regression analysis or time series analysis, may provide more accurate forecasts.