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 forecastb. provide a marketing planc. develop a marketing information systemd. develop a sales forecast

World systems manufactures an optical switch that it uses in its final product. world systems incurred the following manufacturing costs when it produced 74 comma 000 units last​ year: ​(click the icon to view the manufacturing​ costs.) another company has offered to sell world systems the switch for $ 13.50 per unit. the world systems prepared an outsourcing decision analysis to show the cost per unit of making the switches versus the cost per unit of buying​ (outsourcing) the switches. ​(click the icon to view the outsourcing decision​ analysis.) world systems needs 86 comma 000 optical switches next year​ (assume same relevant​ range). by outsourcing​ them, world systems can use its idle facilities to manufacture another product that will contribute $ 140 comma 000 to operating​ income, but none of the fixed costs will be avoidable. should world systems make or buy the​ switches? show your analysis.