The following are weekly manufacturing labour cost and machine hours of Kamwala machine Rings (Pvt) Ltd

Week Manufacturing labour cost Machine hours

1 1 190 68

2 1 211 88

3 1 004 62

4 917 72

5 770 60

6 1 456 96

7 1 180 78

8 710 46

9 1 316 82

10 1 032 94

11 752 68

12 963 48

Required

Using the above data calculate the following

1. Variable cost per unit
2. Fixed cost
3. The regression line