Harold Is an Analyst with Big Company

Harold is an analyst with Big Company.His manager has asked him to estimate the number of multi-functional vacuum cleaners,Big Company will sell during the last quarter of the current year based on doubling the current marketing efforts.Harold has asked the company executives what they think the likely sales will be,he has surveyed buyers and sales personnel,developed a time-series analysis,and done correlation analysis.Which of the following most accurately describes what Harold has been asked to do?

A) Develop a marketing forecast
B) Provide a marketing plan
C) Develop a marketing information system
D) Develop a sales forecast