Literal question
In fiscal year [insert last complete fiscal year], what was this establishment's main product, that is, the product that represented the largest proportion of annual sales?
Interviewer instructions
Establishment's main product. The purpose of this question is to determine what is the main product of the establishment in terms of sales (or monetary value). The description should be written down exactly as provided by the respondent. The main product is defined in terms of sales in monetary value not volume.