Answer:
d) Tolerances.
Explanation:
This is seen to directly reflect on total range of the customer satisfactory choices of the said product. It is also known according to product research and customer satisfaction on choices to conventionally deal properly with the variation of manufacturing processes to meet the requirements of product quality. Cases that bring up things like customer development in product customization has also been generally accepted that customer requirements also have acceptable tolerance range. Top business moguls are seen to most times leverage on these requirements which include tolerance, customers are more likely to get their desired product.