Final answer:
The term for asking a firm's salespeople to estimate future sales is a salesforce survey forecast, which is a qualitative business forecasting method.
Step-by-step explanation:
Asking the firm's salespeople to estimate sales during a coming period is referred to as d. A salesforce survey forecast.
This method involves collecting estimates from a company's sales personnel to predict future sales. The salespeople use their firsthand knowledge of the market and customer intentions to make these estimates. It is a form of qualitative forecasting used in business to leverage the insights of employees who directly interact with customers.