The firm is trying to find a relationship between its sales volume in a quarter and its telephone expenses in that quarter. If a sales volume of 2 million units corresponds to telephone expenses of Tshs 5,000,000 and sales volume of 4 million units corresponds to a telephone expenses of Tshs 6,000,000. 

Required: What is the telephone expense if the sales volume is 5 million units?

Answer rating: 100% (QA)

To find the relationship between sales volume and telephone expenses we can assume a linear relation... View the full answer