Bertha should use end roll technique so that she doesn't miss the initial action of a drama.
b. end roll
<u>Explanation:</u>
End roll is a simple method to decide whether the film is pushing ahead or not. When you utilize the film advance to wind the film, you essentially need to check if the handle on the left (that you use to rewind the film) is turning.
In the event that it turns, great, it implies that the film is appropriately locked in. So Bertha should utilize the end move strategy with the goal that she doesn't miss the underlying activity of a dramatization.
The correct answer is C. Keep existing customers and clients
Explanation:
Customer service refers to the interaction with customers and support employees in a company provide to customer to guarantee he or she has the best experience when buying one product or service. A high-quality customer service implies providing complete information to customers, and helping them before, during, and even after their process in buying or looking for information in a company. The main purpose of this is that customers feel the support from employees, and are loyal to the company which means they will go back if they need the same service or products. Thus, the reason for quality customer service is "Keep existing customers and clients".