Final answer:
The question pertains to sales forecasting in business, and the correct answer for Sunland Company's estimated unit sales in quarter 1 is 9400 units, which is option B.
Step-by-step explanation:
The question asks to determine which of the options correctly estimates the unit sales for Sunland Company in quarter 1. The correct answer is provided within the options. When matching the given unit sales estimate of 9,400 with the options provided, the correct choice is option B) 9400.
This type of question belongs to the field of business, specifically within sales forecasting, which often involves predicting future sales based on various quantitative methods or historical data.
It should also be noted that while the numbers in the reference information range from 10,000 to 160,000, they do not affect the actual answer to the question as the estimate given (9,400) is not part of that sequence but is instead explicitly stated in the question itself.