The marketing manager of a large supermarket chain would like to use shelf space to predict the sales of pet food. For a random sample of 15 similar stores, she gathered the following information regarding the shelf space, in feet, devoted to pet food and the weekly sales in hundreds of dollars. .

Store Shelf Space Weekly Sales

1 5 1.3

2 5 1.6

3 5 1.4

4 10 1.7

5. 10 1.9

6 10 2.3

7 15 2.2

8 15 2

9 15 1.8

10 20 2.2

11 20 2.4

12 20 2.9

13 25 2.9

14 25 2.7

15 25 2.5

Using the regression line for this problem, the approximate Weekly Sales for shelf space that is 30.

A. 3.12

B. 3.04

C. 3.1

D. 2.99