Hairwaves manufactures two products, Shampoo (S) and Conditioner (C). Each unit of product S requires two labour hours and each unit of C requires eight labour hours. There are 10000 labour hours available each week. A minimum of 200 units of product S must be produced. At least four times as many units of product S must be produced in comparison to product C.

Identify which of following represent the correct set of constraints?

S 100

C 4 S

S + 4C 10000

S +4C 20000

2S C

C 200

2S+8C 10000

S 200

C 4S

1S +4C 10000

2S 100

C 200