Final answer:
To determine the number of extra kitchen sets needed to account for loss or waste over a year, multiply the total number of kitchen sets by the estimated loss or waste percentage. The given options do not provide enough information to determine the closest answer.
Step-by-step explanation:
To determine the number of extra kitchen sets that need to be purchased/produced to account for damage, theft, defects, etc. over the course of a year, we need to consider the estimated loss or waste percentage. Let's assume that the estimated loss or waste percentage is 5%. We can calculate the number of extra kitchen sets as follows:
Number of extra kitchen sets = Total number of kitchen sets * Estimated loss or waste percentage
Given that the total number of kitchen sets is not provided in the question, we cannot determine the exact number of extra kitchen sets. Therefore, none of the given options (a, b, c, d) can be chosen as the closest answer.