Answer: Cheerfulness, positive attitude
Explanation:
Customer service is part of the backbone of business. How customers are treated would determine how long the business would last, when customers are not treated well, there won't be a growth regarding the business, employees would need this in mind considering the various kinds of clients they would come across and it's very obvious they won't be the same, a lot of positive mindedness and cheerfulness is required, this is what is required a lot for Susan's job
The correct answer to this open question to this open question is the following.
Although there are no options for this question we can say the following.
Indian mathematics was able to make great advances in the 3rd and 2nd century BCE, in part because of their development of the decimal system and the invention of "zero."
Indians were smart people and great mathematicians. Great Indian mathematicians such as Brahmagupta or Aryabhata, also developed concepts on algebra negative numbers, and trigonometry that are applicable in modern-day mathematics. From India, these concepts spread to other far regions such as the Middle East or China, where other mathematicians and scholars improved these concepts.
The commercial revolution which was the predecessor for the industrial revolution (which is widely known), had a major impact on daily life in general, but especially trading. The commercial revolution involved the creation of established and stable trading routes all around the world which traded in various materials (spice, silk, metals, etc.) all of this drastically affected daily life as well.
