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

Week Manufacturing labor 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
i) Variable cost per unit
ii) Fixed cost
iii) The regression line