QUESTION 4

1. Mr. Ali runs a gift shop in the Defense area, Karachi. He advertises weekly in the local newspapers and is considering increasing his advertising budget. Before doing so, he decides to evaluate the past effectiveness of these advertisements. Five weeks are sampled, and the advertising expenses (in PKR) and sales volume for each is shown in the table given below:
2. Sales (PKR 100k)
3. 6
4. 8
5. 6
6. 10
7. 6
8. Advertising (PKR 100k)
9. 4.1
10. 6.72
11. 5.05
12. 7.26
13. 2.69
15. If company wants to increase sale by 1200 k than advertising expense will be _______ k required